Update about.json

Author: JimmyJammyDodger

Diff for: about.json

@@ -1,7 +1,7 @@
 {
   "name": "Air Theme",
-  "about_url": null,
-  "license_url": null,
+  "about_url": "https://meta.discourse.org/t/discourse-air-theme/197703",
+  "license_url": "https://github.com/discourse/discourse-air/blob/main/LICENSE",
   "components": [
     "https://github.com/jordanvidrine/discourse-category-group-boxes.git",
     "https://github.com/discourse/discourse-clickable-topic.git",