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.

package.json

@@ -1,19 +1,31 @@
 {
-  "name": "public",
+  "name": "securebit-chat",
   "version": "1.0.0",
-  "description": "<div align=\"center\">",
-  "main": "sw.js",
-  "directories": {
-    "doc": "doc"
-  },
+  "description": "Secure P2P Communication Application with End-to-End Encryption",
+  "main": "index.html",
   "scripts": {
+    "build": "npm run build:css && npm run build:js",
+    "build:css": "npx tailwindcss -i src/styles/tw-input.css -o assets/tailwind.css --minify --content \"./index.html,./src/**/*.jsx,./src/**/*.js\"",
+    "build:js": "npx esbuild src/app.jsx --bundle --format=esm --outfile=dist/app.js --sourcemap && npx esbuild src/scripts/app-boot.js --bundle --format=esm --outfile=dist/app-boot.js --sourcemap && npx esbuild src/scripts/qr-local.js --bundle --format=esm --outfile=dist/qr-local.js --sourcemap",
+    "dev": "npm run build && python -m http.server 8000",
+    "watch": "npx tailwindcss -i src/styles/tw-input.css -o assets/tailwind.css --watch",
+    "serve": "npx http-server -p 8000",
     "test": "echo \"Error: no test specified\" && exit 1"
   },
-  "keywords": [],
-  "author": "",
-  "license": "ISC",
+  "keywords": [
+    "p2p",
+    "chat",
+    "encryption",
+    "webrtc",
+    "lightning",
+    "privacy",
+    "security"
+  ],
+  "author": "SecureBit Team",
+  "license": "MIT",
   "devDependencies": {
-    "esbuild": "^0.25.9"
+    "esbuild": "^0.25.9",
+    "tailwindcss": "^3.4.17"
   },
   "dependencies": {
     "qrcode": "^1.5.4"