ВЕРСИИ (5)

- Fix Slanted GUI Text: All text in the contract GUIs is now rendered without italics for a cleaner look. - Separate Item Amount: In the personal contract view, the item amount is now displayed on a separate line below the item name for better readability. - Add Contract Cancellation: Players can now cancel contracts they have created by right-clicking on them in the `/contract inv` GUI, as long as the contract has not been accepted yet. - Capitalize Success Message: The item name in the contract creation success message is now properly capitalized (e.g., "Diamond Sword" instead of "DIAMOND_SWORD"). - Update Documentation: The README.md has been updated to reflect these new features and improvements.

- Fix missing message

- Added all missing GUI-related messages to `src/main/resources/message.yml` for both `ContractGUI` and `PlayerInventoryGUI`. - Refactored `ContractGUI.java` to use the message manager for its navigation buttons. - Refactored the entire `PlayerInventoryGUI.java` to remove hardcoded strings and use the `ConfigManager` for all displayed text, making it consistent with the rest of the plugin. - Added a `getRawMessage` method to `ConfigManager.java` to safely retrieve raw string values for use in placeholders, which was necessary to fix a compilation error introduced during the refactoring.

- Changed the main command to `/kartaplayercontract` with aliases `/playercontract` and `/contract` as requested by the user. - Made the admin permission node configurable in `config.yml`. - Added a `/contract reload` alias for the admin reload command for easier use. - Corrected the command registration in the main plugin class to reflect the changes.

Initiate and Publish Karta PlayerContract