Enhance video platform with real-time updates and refined visual elements

Improve video view count refresh rates and update PWA manifest and app icon visuals.

Replit-Commit-Author: Agent
Replit-Commit-Session-Id: 2cd2c0bc-434c-4bc9-ad3f-b99d3897a0d1
Replit-Commit-Checkpoint-Type: full_checkpoint
Replit-Commit-Screenshot-Url: https://storage.googleapis.com/screenshot-production-us-central1/8cc42625-c1f5-4e43-99bd-77f2c4dedee2/2cd2c0bc-434c-4bc9-ad3f-b99d3897a0d1/3dnI7Tc

client/public/manifest.json

@@ -6,8 +6,10 @@
   "background_color": "#2D1B69",
   "display": "standalone",
   "orientation": "portrait-primary",
-  "start_url": "/",
+  "start_url": "/?utm_source=pwa",
   "scope": "/",
+  "cache": "no-cache",
+  "fetch_scheme": "https",
   "lang": "en",
   "dir": "ltr",
   "categories": ["entertainment", "multimedia"],