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/read-cache/README.md

@@ -0,0 +1,46 @@
+# read-cache [![Build Status](https://travis-ci.org/TrySound/read-cache.svg?branch=master)](https://travis-ci.org/TrySound/read-cache)
+
+Reads and caches the entire contents of a file until it is modified.
+
+
+## Install
+
+```
+$ npm i read-cache
+```
+
+
+## Usage
+
+```js
+// foo.js
+var readCache = require('read-cache');
+
+readCache('foo.js').then(function (contents) {
+	console.log(contents);
+});
+```
+
+
+## API
+
+### readCache(path[, encoding])
+
+Returns a promise that resolves with the file's contents.
+
+### readCache.sync(path[, encoding])
+
+Returns the content of the file.
+
+### readCache.get(path[, encoding])
+
+Returns the content of cached file or null.
+
+### readCache.clear()
+
+Clears the contents of the cache.
+
+
+## License
+
+MIT © [Bogdan Chadkin](mailto:trysound@yandex.ru)