LevelEssentials - Make Levels more beautifully

· Added custom placeholders for bracket and level colors, bold, italic, and underline formatting. · Introduced new commands to toggle bold and italic formatting for brackets and levels. · Implemented permissions for fine-grained control over new commands. · Enhanced error handling and logging to improve plugin stability. · Optimized performance and compatibility with the latest Minecraft versions. · Improved file creation and configuration loading reliability. · Fixed minor bugs related to placeholder resolution and file management. New Features Commands · /levelessentials bold brackets - Toggles bold formatting for brackets. · /levelessentials bold level - Toggles bold formatting for levels. · /levelessentials italic brackets - Toggles italic formatting for brackets. · /levelessentials italic level - Toggles italic formatting for levels. · /levelessentials underline level - Toggles underline formatting for levels. Placeholders · %levelessentials_brackets_bold% - Returns whether brackets are bold. · %levelessentals_level_bold% - Returns whether the level is bold. · %levelessentials_level_italic% - Returns whether the level is italic. · %levelessentials_brackets_italic% - Returns whether brackets are italic. · %levelessentials_level_underline% - Returns whether the level has underline. Permissions · levelessentals.brackets.bold:- Permission to use /levelessentials bold brackets. · levelessentals.level.bold - Permission to use /levelessentials bold level. · levelessentals.brackets.italic - Permission to use /levelessentials italic brackets. · levelessentals.level.italic - Permission to use /levelessentials italic level. · levelessentials.level.underline - Permission to use /levelessentials underline level. These additions provide more customization options and control over text formatting within the plugin, ensuring a better user experience and smoother operation.