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/tailwindcss/src/util/getAllConfigs.js

@@ -0,0 +1,38 @@
+import defaultFullConfig from '../../stubs/config.full.js'
+import { flagEnabled } from '../featureFlags'
+
+export default function getAllConfigs(config) {
+  const configs = (config?.presets ?? [defaultFullConfig])
+    .slice()
+    .reverse()
+    .flatMap((preset) => getAllConfigs(preset instanceof Function ? preset() : preset))
+
+  const features = {
+    // Add experimental configs here...
+    respectDefaultRingColorOpacity: {
+      theme: {
+        ringColor: ({ theme }) => ({
+          DEFAULT: '#3b82f67f',
+          ...theme('colors'),
+        }),
+      },
+    },
+
+    disableColorOpacityUtilitiesByDefault: {
+      corePlugins: {
+        backgroundOpacity: false,
+        borderOpacity: false,
+        divideOpacity: false,
+        placeholderOpacity: false,
+        ringOpacity: false,
+        textOpacity: false,
+      },
+    },
+  }
+
+  const experimentals = Object.keys(features)
+    .filter((feature) => flagEnabled(config, feature))
+    .map((feature) => features[feature])
+
+  return [config, ...experimentals, ...configs]
+}