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/postcss-js/index.mjs

@@ -0,0 +1,8 @@
+import index from './index.js'
+
+export default index
+
+export const objectify = index.objectify
+export const parse = index.parse
+export const async = index.async
+export const sync = index.sync