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

---------

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

tools/server/webui/README.md

@@ -188,14 +188,14 @@ The build process:
 1. **Vite Build** - Bundles all TypeScript, Svelte, and CSS
 2. **Static Adapter** - Outputs to `../public` (llama-server's static file directory)
 3. **Post-Build Script** - Cleans up intermediate files
-4. **Custom Plugin** - Creates `index.html.gz` with:
+4. **Custom Plugin** - Creates `index.html` with:
    - Inlined favicon as base64
    - GZIP compression (level 9)
    - Deterministic output (zeroed timestamps)
 
 ```text
 tools/server/webui/        →  build  →  tools/server/public/
-├── src/                                 ├── index.html.gz  (served by llama-server)
+├── src/                                 ├── index.html  (served by llama-server)
 ├── static/                              └── (favicon inlined)
 └── ...
 ```
@@ -219,7 +219,7 @@ output: {
 
 The WebUI is embedded directly into the llama-server binary:
 
-1. `npm run build` outputs `index.html.gz` to `tools/server/public/`
+1. `npm run build` outputs `index.html` to `tools/server/public/`
 2. llama-server compiles this into the binary at build time
 3. When accessing `/`, llama-server serves the gzipped HTML
 4. All assets are inlined (CSS, JS, fonts, favicon)