Koishi 3.1.1

• koishi-core@3.1.1
• koishi-plugin-adventure@0.1.14
• koishi-plugin-common@4.1.1
• koishi-plugin-mongo@2.0.0
• koishi-plugin-schedule@3.0.1
• koishi-plugin-status@3.0.1
• koishi-plugin-teach@2.0.0
• koishi@3.1.1

Features

• teach: re-add substitute flag, fix #147 (b42773b)
• core: set _actions/_checkers as private to enhance typings (2b78345)
• core: show trace of dup plugins (30ea750)

Bug Fixes

• core: fix parser interp behavior (2029ad5)
• common: fix incorrect state.user typings (84fe7e4)
• core: fix incorrect parser behavior for boolean & terminator (feb75cb)
• core: default reconnect options (1654831)

Other Changes

• chore: init contrib guide (e79a4b3)
• test(teach): split test cases (61fd024)
• chore: bump version (teach, stat, schd, adv, mongo), published mysql (fbe92ba)
• chore: bump versions (f944072)