Update manifest.json

manifest.json

@@ -2,12 +2,17 @@
   "manifest_version": 3,
   "name": "Binaural Beats Generator",
   "version": "1.0",
-  "description": "Generate binaural beats to complement your music.",
-  "permissions": ["storage", "activeTab"],
-  "background": {
-    "service_worker": "binauralGenerator.js"
-  },
+  "description": "A Chrome extension to generate binaural beats.",
+  "permissions": ["storage"],
   "action": {
-    "default_popup": "popup.html"
+    "default_popup": "popup.html",
+    "default_icon": {
+      "16": "icons/icon16.png",
+      "48": "icons/icon48.png",
+      "128": "icons/icon128.png"
+    }
+  },
+  "content_security_policy": {
+    "extension_pages": "script-src 'self'; object-src 'self';"
   }
 }