Enable users to share videos on social media and copy the video link

Adds social media sharing (Facebook, Twitter, WhatsApp) and link copying functionality to the video modal using react-share and Clipboard API.

Replit-Commit-Author: Agent
Replit-Commit-Session-Id: 11420304-80a9-4ef2-adff-cbdaa418ffa8
Replit-Commit-Checkpoint-Type: full_checkpoint
Replit-Commit-Screenshot-Url: https://storage.googleapis.com/screenshot-production-us-central1/8cc42625-c1f5-4e43-99bd-77f2c4dedee2/11420304-80a9-4ef2-adff-cbdaa418ffa8/44gzWws

package.json

@@ -11,6 +11,7 @@
     "db:push": "drizzle-kit push"
   },
   "dependencies": {
+    "@google-cloud/video-intelligence": "^6.2.0",
     "@hookform/resolvers": "^3.10.0",
     "@jridgewell/trace-mapping": "^0.3.25",
     "@neondatabase/serverless": "^0.10.4",
@@ -66,6 +67,7 @@
     "react-hook-form": "^7.55.0",
     "react-icons": "^5.4.0",
     "react-resizable-panels": "^2.1.7",
+    "react-share": "^5.2.2",
     "recharts": "^2.15.2",
     "tailwind-merge": "^2.6.0",
     "tailwindcss-animate": "^1.0.7",