add inject content ui

public/manifest.json

@@ -22,6 +22,13 @@
     "service_worker": "background.js",
     "type": "module"
   },
+  "content_scripts": [
+    {
+      "matches": ["https://github.com/*"],
+      "run_at": "document_start",
+      "js": ["proxy/content.js"]
+    }
+  ],
   "permissions": [
     "proxy",
     "storage",
@@ -42,7 +49,8 @@
         "types/*.js",
         "proxy/*.js",
         "socket.js",
-        "proxy.js"
+        "proxy.js",
+        "proxy/content.js"
       ],
       "matches": ["<all_urls>"]
     }