Add french translation

…ed comments

Update application.yml to use the latest youtube source version + comments

Add french translations

Custom music buttons

Refined comments, removed web service, added healthcheck for vocard-dashboard service

Added musixmatch lyrics

Added silent messaging feature

- Created `es-419.json` for Latin American Spanish translations.
- Created `es-ES.json` for European Spanish translations.
- Translated various music bot commands and responses to enhance user experience for Spanish-speaking users.

…zh-TW conflict

Updated the send function to correctly handle TempCtx and only include 'ephemeral' if supported by the send function. Also fixed the key from 'queue_type' to 'queueType' in the Player's IPC message for consistency with expected API.

Added a new spotify-tokener service to docker-compose.yml and updated documentation links to use the latest version. In lavalink/application.yml, enabled anonymous token usage for Spotify with a custom token endpoint, and updated YouTube and LavaSrc plugin dependencies to newer versions.

Add healthcheck for dashboard service

Integrated python-dotenv to load environment variables and updated Settings to use values from either the provided dictionary or environment. Added python-dotenv to requirements.txt.

Updated various permission and message keys in the codebase and all language files for consistency. Also added missing keys and fixed minor typos in several language files.

Added VN.json containing Vietnamese translations for bot messages.

Added a check to handle cases where the returned tracks are a Playlist object, ensuring the correct list of tracks is used for app command choices.

Updates the Spanish translations in both es-419 and es-ES language files.

This commit improves the accuracy and consistency of the translations, focusing on command names and descriptions to provide a better user experience.

Adds a smart command sync strategy to handle potential command conflicts during bot startup.

This implementation includes:
- Initial attempt at a normal sync.
- Conflict resolution mechanism via Discord's bulk update endpoint if "Entry Point command" errors are encountered.
- Error handling and logging for increased reliability.

Added 'Fairqueue' and 'togglecontroller' keys to both es-419.json and es-ES.json for improved localization support. No other changes were made to the translation content.

Add Spanish language support for slash commands

Updated Dockerfile-lavalink to fetch the latest Lavalink.jar release instead of a fixed version. Bumped youtube-plugin dependency from 1.13.4 to 1.13.5 in application.yml. Also removed commented-out dashboard dependency from docker-compose.yml for cleanup.

Added a 'requires_fetch' parameter to the send function to ensure messages are fetched when needed. Enhanced command interaction checks to verify bot permissions for reading and sending messages in channels. Updated player controller logic to use the new fetch behavior for controller messages.