v0.5.0-alpha

This pull request introduces significant updates to the windowkill project, focusing on achievements functionality, dependency updates, and codebase improvements. The changes include adding new achievements, integrating a notification system, modifying core functionality, and updating project dependencies and metadata.

Achievements and Game Features:

• README.md: Updated to reflect the addition of new achievements (e.g., "Open World," "No Space Left," "God of Colors") and their completion status.
• achievements_schema.json: Added a schema for achievements, detailing their names, descriptions, requirements, and progress tracking.
• src/html/achievements.html: Created a new HTML page to display achievements with progress bars and descriptions.
• src/js/gameUtils.js: Enhanced game logic to handle achievements, including tracking progress and handling game-over scenarios based on specific conditions. [1] [2]

Notifications Integration:

• src/js/functions.js: Added a utility function _sendNotification to handle in-game notifications, requesting permissions if necessary.
• src/js/options.js: Integrated the notification system into the Options class for managing achievements and other game settings.

Dependency and Metadata Updates:

• package.json and Cargo.toml: Updated the project version to 0.5.0 and replaced the tauri-plugin-shell dependency with tauri-plugin-notification. [1] [2]
• src-tauri/tauri.conf.json: Updated the version metadata to 0.5.0.

Codebase Simplification and Cleanup:

• src-tauri/src/lib.rs: Removed unused code (e.g., file encryption logic) and added a new function create_window for managing game windows. [1] [2]
• src-tauri/capabilities/default.json: Removed permissions for shell commands and added permissions for notifications and window management.

UI Enhancements:

• src/index.html: Added an achievements display section to the main game interface.

These updates collectively enhance the game's functionality, user experience, and maintainability.