feat: implement build system and development workflow

- Add npm scripts for CSS/JS compilation (build:css, build:js, build)
- Create PowerShell build automation script
- Document development workflow in README
- Add troubleshooting guide for build issues
- Specify proper file structure and compilation process

Supports Tailwind CSS v3.4.0 and esbuild bundling with source maps.

node_modules/signal-exit/dist/mjs/browser.js

@@ -0,0 +1,4 @@
+export const onExit = () => () => { };
+export const load = () => { };
+export const unload = () => { };
+//# sourceMappingURL=browser.js.map