MythicSkywars

Nightly Build - may be unstable.\n\nCommit: b0a303ab81d78e24c1ea6d94bd4b4695ca639b16\n\nfeat(economy): implement built-in Vault economy provider and enhance migration command

• Introduce a built-in Vault economy provider for better compatibility with economy systems.
• Update MythicSkywars to register and unregister the built-in economy provider based on configuration.
• Enhance the USW migration command with checks to prevent concurrent migrations and notify players during data imports.
• Improve database handling for player economy data, ensuring proper storage and retrieval.
• Add new commands and tab completions for economy-related actions, enhancing user experience.