update concept

almost complete auto

Merge pull request parallel101#52 from Mq-b/Mq-b-dev2

修改 `auto` 的错误措辞，格式化格式

Merge pull request parallel101#65 from memorelic/main

修改cpp_tricks.md中地板除的笔误

update auto param

Update design_gamedev.md

Merge pull request parallel101#63 from Oxygen1a1/main

fix(llvm):correct spelling errors

Update design_concept.md

fix typo

Merge pull request parallel101#58 from muyuuuu/fixbug/type_rich_api

bug:type_rich_api:fix bug of meter and kilometer