Conium event

1. Add classical event handle way (subscriber and metadata).
2. Add DSL style event handler
3. Add async event handler supports

Item templates

1. 'used_on_block_convert_to'
2. 'consume_on_used'

Block register

1. Early register the block before world-gen state, let blocks able to participate the world generates

Depends

1. Remove fluxia mod, build-in the structuring translator

Bug fixes

Fix bug of infinitely loop when transforming args.