feat: Major updates to backend structure and security enhancements

- Removed `COMMON_ERRORS.md` file to streamline documentation.
- Added `Flask-Limiter` for rate limiting and `redis` for session management in `requirements.txt`.
- Expanded `ROADMAP.md` to include completed security features and planned enhancements for version 2.2.
- Enhanced `setup_myp.sh` for ultra-secure kiosk installation, including system hardening and security configurations.
- Updated `app.py` to integrate CSRF protection and improved logging setup.
- Refactored user model to include username and active status for better user management.
- Improved job scheduler with uptime tracking and task management features.
- Updated various templates for a more cohesive user interface and experience.

backend/app/node_modules/@nodelib/fs.scandir/LICENSE

@@ -0,0 +1,21 @@
+The MIT License (MIT)
+
+Copyright (c) Denis Malinochkin
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.

backend/app/node_modules/@nodelib/fs.scandir/README.md

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+# @nodelib/fs.scandir
+
+> List files and directories inside the specified directory.
+
+## :bulb: Highlights
+
+The package is aimed at obtaining information about entries in the directory.
+
+* :moneybag: Returns useful information: `name`, `path`, `dirent` and `stats` (optional).
+* :gear: On Node.js 10.10+ uses the mechanism without additional calls to determine the entry type. See [`old` and `modern` mode](#old-and-modern-mode).
+* :link: Can safely work with broken symbolic links.
+
+## Install
+
+```console
+npm install @nodelib/fs.scandir
+```
+
+## Usage
+
+```ts
+import * as fsScandir from '@nodelib/fs.scandir';
+
+fsScandir.scandir('path', (error, stats) => { /* … */ });
+```
+
+## API
+
+### .scandir(path, [optionsOrSettings], callback)
+
+Returns an array of plain objects ([`Entry`](#entry)) with information about entry for provided path with standard callback-style.
+
+```ts
+fsScandir.scandir('path', (error, entries) => { /* … */ });
+fsScandir.scandir('path', {}, (error, entries) => { /* … */ });
+fsScandir.scandir('path', new fsScandir.Settings(), (error, entries) => { /* … */ });
+```
+
+### .scandirSync(path, [optionsOrSettings])
+
+Returns an array of plain objects ([`Entry`](#entry)) with information about entry for provided path.
+
+```ts
+const entries = fsScandir.scandirSync('path');
+const entries = fsScandir.scandirSync('path', {});
+const entries = fsScandir.scandirSync(('path', new fsScandir.Settings());
+```
+
+#### path
+
+* Required: `true`
+* Type: `string | Buffer | URL`
+
+A path to a file. If a URL is provided, it must use the `file:` protocol.
+
+#### optionsOrSettings
+
+* Required: `false`
+* Type: `Options | Settings`
+* Default: An instance of `Settings` class
+
+An [`Options`](#options) object or an instance of [`Settings`](#settingsoptions) class.
+
+> :book: When you pass a plain object, an instance of the `Settings` class will be created automatically. If you plan to call the method frequently, use a pre-created instance of the `Settings` class.
+
+### Settings([options])
+
+A class of full settings of the package.
+
+```ts
+const settings = new fsScandir.Settings({ followSymbolicLinks: false });
+
+const entries = fsScandir.scandirSync('path', settings);
+```
+
+## Entry
+
+* `name` — The name of the entry (`unknown.txt`).
+* `path` — The path of the entry relative to call directory (`root/unknown.txt`).
+* `dirent` — An instance of [`fs.Dirent`](./src/types/index.ts) class. On Node.js below 10.10 will be emulated by [`DirentFromStats`](./src/utils/fs.ts) class.
+* `stats` (optional) — An instance of `fs.Stats` class.
+
+For example, the `scandir` call for `tools` directory with one directory inside:
+
+```ts
+{
+	dirent: Dirent { name: 'typedoc', /* … */ },
+	name: 'typedoc',
+	path: 'tools/typedoc'
+}
+```
+
+## Options
+
+### stats
+
+* Type: `boolean`
+* Default: `false`
+
+Adds an instance of `fs.Stats` class to the [`Entry`](#entry).
+
+> :book: Always use `fs.readdir` without the `withFileTypes` option. ??TODO??
+
+### followSymbolicLinks
+
+* Type: `boolean`
+* Default: `false`
+
+Follow symbolic links or not. Call `fs.stat` on symbolic link if `true`.
+
+### `throwErrorOnBrokenSymbolicLink`
+
+* Type: `boolean`
+* Default: `true`
+
+Throw an error when symbolic link is broken if `true` or safely use `lstat` call if `false`.
+
+### `pathSegmentSeparator`
+
+* Type: `string`
+* Default: `path.sep`
+
+By default, this package uses the correct path separator for your OS (`\` on Windows, `/` on Unix-like systems). But you can set this option to any separator character(s) that you want to use instead.
+
+### `fs`
+
+* Type: [`FileSystemAdapter`](./src/adapters/fs.ts)
+* Default: A default FS methods
+
+By default, the built-in Node.js module (`fs`) is used to work with the file system. You can replace any method with your own.
+
+```ts
+interface FileSystemAdapter {
+	lstat?: typeof fs.lstat;
+	stat?: typeof fs.stat;
+	lstatSync?: typeof fs.lstatSync;
+	statSync?: typeof fs.statSync;
+	readdir?: typeof fs.readdir;
+	readdirSync?: typeof fs.readdirSync;
+}
+
+const settings = new fsScandir.Settings({
+	fs: { lstat: fakeLstat }
+});
+```
+
+## `old` and `modern` mode
+
+This package has two modes that are used depending on the environment and parameters of use.
+
+### old
+
+* Node.js below `10.10` or when the `stats` option is enabled
+
+When working in the old mode, the directory is read first (`fs.readdir`), then the type of entries is determined (`fs.lstat` and/or `fs.stat` for symbolic links).
+
+### modern
+
+* Node.js 10.10+ and the `stats` option is disabled
+
+In the modern mode, reading the directory (`fs.readdir` with the `withFileTypes` option) is combined with obtaining information about its entries. An additional call for symbolic links (`fs.stat`) is still present.
+
+This mode makes fewer calls to the file system. It's faster.
+
+## Changelog
+
+See the [Releases section of our GitHub project](https://github.com/nodelib/nodelib/releases) for changelog for each release version.
+
+## License
+
+This software is released under the terms of the MIT license.

backend/app/node_modules/@nodelib/fs.scandir/package.json

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+{
+  "name": "@nodelib/fs.scandir",
+  "version": "2.1.5",
+  "description": "List files and directories inside the specified directory",
+  "license": "MIT",
+  "repository": "https://github.com/nodelib/nodelib/tree/master/packages/fs/fs.scandir",
+  "keywords": [
+    "NodeLib",
+    "fs",
+    "FileSystem",
+    "file system",
+    "scandir",
+    "readdir",
+    "dirent"
+  ],
+  "engines": {
+    "node": ">= 8"
+  },
+  "files": [
+    "out/**",
+    "!out/**/*.map",
+    "!out/**/*.spec.*"
+  ],
+  "main": "out/index.js",
+  "typings": "out/index.d.ts",
+  "scripts": {
+    "clean": "rimraf {tsconfig.tsbuildinfo,out}",
+    "lint": "eslint \"src/**/*.ts\" --cache",
+    "compile": "tsc -b .",
+    "compile:watch": "tsc -p . --watch --sourceMap",
+    "test": "mocha \"out/**/*.spec.js\" -s 0",
+    "build": "npm run clean && npm run compile && npm run lint && npm test",
+    "watch": "npm run clean && npm run compile:watch"
+  },
+  "dependencies": {
+    "@nodelib/fs.stat": "2.0.5",
+    "run-parallel": "^1.1.9"
+  },
+  "devDependencies": {
+    "@nodelib/fs.macchiato": "1.0.4",
+    "@types/run-parallel": "^1.1.0"
+  },
+  "gitHead": "d6a7960d5281d3dd5f8e2efba49bb552d090f562"
+}