server: (webui) no more gzip compression (#21073)

* webui: no more gzip

* try changing a small line

* Revert "try changing a small line"

This reverts commit 0d7a3531593d87b724d404c8727a96becab3ab07.

* fix lint

* fix test

* rebuild

* split into html/css/js

* lint

* chore: update webui build output

* chore: Update git hooks script

* server: update webui build output

* chore: Update pre-commit hook

* refactor: Cleanup

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Co-authored-by: Aleksander Grygier <aleksander.grygier@gmail.com>

.gitattributes

@@ -0,0 +1,4 @@
+# Treat the generated single-file WebUI build as binary for diff purposes.
+# Git's pack-file delta compression still works (byte-level), but this prevents
+# git diff from printing the entire minified file on every change.
+tools/server/public/index.html -diff