Add Docker deployment support and PWA enhancements

- Add Dockerfile with multi-stage build (Node.js + Nginx)
- Add docker-compose.yml for Portainer stack deployment on port 7777
- Add nginx.conf with PWA support, gzip compression, and security headers
- Add .dockerignore for optimized Docker builds
- Add DEPLOYMENT.md with comprehensive deployment guide
- Configure Vite PWA plugin with service worker and offline support
- Add PWA manifest.json with app icons and shortcuts
- Enhance logo.svg with iOS-style glass effects (filters, gradients, highlights)
- Add app-icon.svg for PWA installation
- Update mobile nav with glassmorphic active tab styling
- Fix mobile tab bar layout shift issues with flex-1 and consistent sizing
- Update index.html with PWA meta tags and Apple-specific settings
- Add health check endpoint at /health for container monitoring

Co-authored-by: Cursor <cursoragent@cursor.com>

vite.config.ts

@@ -1,9 +1,49 @@
 import { fileURLToPath, URL } from 'node:url'
 import { defineConfig } from 'vite'
 import vue from '@vitejs/plugin-vue'
+import { VitePWA } from 'vite-plugin-pwa'
 
 export default defineConfig({
-  plugins: [vue()],
+  plugins: [
+    vue(),
+    VitePWA({
+      registerType: 'autoUpdate',
+      includeAssets: ['assets/images/app-icon.svg', 'assets/fonts/*.otf'],
+      manifest: {
+        name: 'IndeedHub - Decentralized Media Streaming',
+        short_name: 'IndeedHub',
+        description: 'Stream films and content on the decentralized web powered by Nostr and Bitcoin',
+        theme_color: '#0a0a0a',
+        background_color: '#0a0a0a',
+        display: 'standalone',
+        orientation: 'portrait-primary',
+        icons: [
+          {
+            src: '/assets/images/app-icon.svg',
+            sizes: '512x512',
+            type: 'image/svg+xml',
+            purpose: 'any maskable'
+          }
+        ]
+      },
+      workbox: {
+        globPatterns: ['**/*.{js,css,html,ico,png,svg,jpg,jpeg,woff,woff2,otf}'],
+        runtimeCaching: [
+          {
+            urlPattern: /^https:\/\/images\.unsplash\.com\/.*/i,
+            handler: 'CacheFirst',
+            options: {
+              cacheName: 'unsplash-images-cache',
+              expiration: {
+                maxEntries: 50,
+                maxAgeSeconds: 60 * 60 * 24 * 30 // 30 days
+              }
+            }
+          }
+        ]
+      }
+    })
+  ],
   resolve: {
     alias: {
       '@': fileURLToPath(new URL('./src', import.meta.url))