Create Aeronautics: Weight

MAJOR UPDATE

• Carried inventory weight (disabled by default)
• Container contents weight (disabled by default)  -Fluid tanks weight via tag (disabled by default) 
• Armor weight derived from protection points (disabled by default) Mob equipped gear weight (disabled by default) 
• 3 pre-filled weight tiers via common tags for automatic modded content support 
• Hot-reload JSON files: 'item_weights.json' and 'entity_weights.json'
• Block tags: '#weight:tanks' and '#weight:ignored_containers'
• Config expanded from 7 to 22 options with separate player and cargo weight scales
• /weight reload, command added
• Enriched /weight debug, command output