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/yaml/browser/index.js

@@ -0,0 +1,5 @@
+// `export * as default from ...` fails on Webpack v4
+// https://github.com/eemeli/yaml/issues/228
+import * as YAML from './dist/index.js'
+export default YAML
+export * from './dist/index.js'