[ImgBot] Optimize images (#4618)

*Total -- 1,311.48kb -> 883.47kb (32.64%)

/docs/public/pwa_icon.png -- 204.78kb -> 69.50kb (66.06%)
/docs/public/xmasfmhy.png -- 574.27kb -> 382.15kb (33.45%)
/docs/public/uwu-hall.png -- 333.61kb -> 246.77kb (26.03%)
/docs/public/note.svg -- 0.52kb -> 0.41kb (20.6%)
/docs/public/hall.png -- 80.83kb -> 69.02kb (14.61%)
/docs/public/test.png -- 71.45kb -> 69.59kb (2.6%)
/docs/public/logo-uwu.svg -- 46.03kb -> 46.03kb (0%)

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docs/public/note.svg

@@ -1 +1 @@
-<svg xmlns="http://www.w3.org/2000/svg" width="32" height="32" viewBox="0 0 24 24"><!-- Icon from Majesticons by Gerrit Halfmann - https://github.com/halfmage/majesticons/blob/main/LICENSE --><path fill="currentColor" fill-rule="evenodd" d="M5 2a3 3 0 0 0-3 3v14a3 3 0 0 0 3 3h9v-5a3 3 0 0 1 3-3h5V5a3 3 0 0 0-3-3zm12.293 19.121a3 3 0 0 1-1.293.762V17a1 1 0 0 1 1-1h4.883a3 3 0 0 1-.762 1.293zM7 6a1 1 0 0 0 0 2h10a1 1 0 1 0 0-2zm0 4a1 1 0 1 0 0 2h10a1 1 0 1 0 0-2zm0 4a1 1 0 1 0 0 2h4a1 1 0 1 0 0-2z" clip-rule="evenodd"/></svg>
+<svg xmlns="http://www.w3.org/2000/svg" width="32" height="32" viewBox="0 0 24 24"><path fill="currentColor" fill-rule="evenodd" d="M5 2a3 3 0 0 0-3 3v14a3 3 0 0 0 3 3h9v-5a3 3 0 0 1 3-3h5V5a3 3 0 0 0-3-3zm12.293 19.121a3 3 0 0 1-1.293.762V17a1 1 0 0 1 1-1h4.883a3 3 0 0 1-.762 1.293zM7 6a1 1 0 0 0 0 2h10a1 1 0 1 0 0-2zm0 4a1 1 0 1 0 0 2h10a1 1 0 1 0 0-2zm0 4a1 1 0 1 0 0 2h4a1 1 0 1 0 0-2z" clip-rule="evenodd"/></svg>