feat: adding in support for typescript code completion to the gnome extension.js

package.json

@@ -0,0 +1,11 @@
+{
+  "devDependencies": {
+    "eslint": "^9.14.0",
+    "eslint-plugin-jsdoc": "^50.4.3",
+    "typescript": "^5.6.3"
+  },
+  "dependencies": {
+    "@girs/gjs": "^4.0.0-beta.18",
+    "@girs/gnome-shell": "^47.0.0"
+  }
+}