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/foreground-child/dist/esm/proxy-signals.d.ts

@@ -0,0 +1,6 @@
+import { type ChildProcess } from 'child_process';
+/**
+ * Starts forwarding signals to `child` through `parent`.
+ */
+export declare const proxySignals: (child: ChildProcess) => () => void;
+//# sourceMappingURL=proxy-signals.d.ts.map