更新历史 - 半平面交

refactor(half-plane): remake figures (#4403)

chore: upgrade remark-clang-format (#3806)

apply bot

remove <200b>

update convex, scanning, half-plane, nearest points, random incremental, 2d, polar coordinate

将//的后面统一加上空格

www.luogu.org -> www.luogu.com.cn

修改一处很神奇的代码

:bug: fix lots of links

style: format markdown files with remark-lint

shorten path & fix format & update author & add page

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