Attack indicator

New Features

• Added automatic update checker - server owners will be notified in console when a new version is available on Modrinth
• Added show-on-players config option - control whether damage indicators appear on players (default: false)
• Added indicator-scale config option - customize the size of damage indicators (default: 1.5)
• Added vertical-offset config option - adjust vertical position of indicators relative to entity's head (default: 0.5)

Changes

• Removed hardcoded restriction that prevented indicators from showing on players
• Indicators can now be fully customized through config.yml