fix: background.js, remove: unnecessary permissions

public/manifest.json

@@ -4,15 +4,12 @@
   "version": "4.0",
   "description": "Rellena automáticamente el código 2FA en la Universidad de Sevilla.",
   "permissions": [
-    "activeTab",
-    "scripting",
-    "tabs",
     "storage"
   ],
   "background": {
-    "service_worker": "background.js",
+    "service_worker": "scripts/background.js",
     "type": "module",
-    "scripts": ["background.js"]
+    "scripts": ["scripts/background.js"]
   },
   "action": {
     "default_popup": "index.html"
@@ -22,9 +19,9 @@
   },
   "content_scripts": [
     {
-      "matches": ["https://sso.us.es/*"],
+      "matches": ["*://sso.us.es/*"],
       "js": ["scripts/content.js"],
-      "run_at": "document_start"
+      "run_at": "document_idle"
     }
   ],
   "host_permissions": [