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/lines-and-columns/LICENSE

@@ -0,0 +1,21 @@
+The MIT License (MIT)
+
+Copyright (c) 2015 Brian Donovan
+
+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/lines-and-columns/README.md

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+# lines-and-columns
+
+Maps lines and columns to character offsets and back. This is useful for parsers
+and other text processors that deal in character ranges but process text with
+meaningful lines and columns.
+
+## Install
+
+```
+$ npm install [--save] lines-and-columns
+```
+
+## Usage
+
+```js
+import { LinesAndColumns } from 'lines-and-columns'
+
+const lines = new LinesAndColumns(
+  `table {
+  border: 0
+}`
+)
+
+lines.locationForIndex(9)
+// { line: 1, column: 1 }
+
+lines.indexForLocation({ line: 1, column: 2 })
+// 10
+```
+
+## License
+
+MIT

backend/app/node_modules/lines-and-columns/package.json

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+{
+  "name": "lines-and-columns",
+  "version": "1.2.4",
+  "description": "Maps lines and columns to character offsets and back.",
+  "keywords": [
+    "lines",
+    "columns",
+    "parser"
+  ],
+  "homepage": "https://github.com/eventualbuddha/lines-and-columns#readme",
+  "bugs": {
+    "url": "https://github.com/eventualbuddha/lines-and-columns/issues"
+  },
+  "repository": {
+    "type": "git",
+    "url": "https://github.com/eventualbuddha/lines-and-columns.git"
+  },
+  "license": "MIT",
+  "author": "Brian Donovan <brian@donovans.cc>",
+  "main": "./build/index.js",
+  "types": "./build/index.d.ts",
+  "files": [
+    "build"
+  ],
+  "scripts": {
+    "build:watch": "tsc --build tsconfig.build.json --watch",
+    "lint": "eslint .",
+    "lint:fix": "eslint . --fix",
+    "test": "is-ci test:coverage test:watch",
+    "test:coverage": "jest --coverage",
+    "test:watch": "jest --watch"
+  },
+  "devDependencies": {
+    "@types/jest": "^27.0.3",
+    "@types/node": "^16.11.9",
+    "@typescript-eslint/eslint-plugin": "^5.4.0",
+    "@typescript-eslint/parser": "^5.4.0",
+    "esbuild": "^0.13.15",
+    "esbuild-runner": "^2.2.1",
+    "eslint": "^8.2.0",
+    "eslint-config-prettier": "^8.3.0",
+    "eslint-plugin-prettier": "^4.0.0",
+    "is-ci-cli": "^2.2.0",
+    "jest": "^27.3.1",
+    "prettier": "^2.4.1",
+    "semantic-release": "^18.0.0",
+    "typescript": "^4.5.2"
+  }
+}