fix: add command for forcibly stopping a session

fix: ConcurrentModificationException for Event.kt and AsyncEvent.kt

refactor: lastwill-message rename to history-message

refactor: rename some configuration keys

fix: catch the Exception from /ms poke

feat: support of mirai 2.12

chore: fix missing manifest entries when executing task: buildPlugin

fix: sub commands prefix duplicate

fix: fail to parse function with vararg

feat: hits when type a wrong sub commands