Examine source code of Gab

{
  "manifest_version": 2,
  "author": "Seth White",
  "name": "Gab",
  "description": "The full gab experience on any webpage!",
  "version": "0.4resigned1",
  "browser_action": {
    "default_icon": "icons/gab.png",
    "default_popup": "popup/popup.html"
  },
  "icons": {
    "192": "icons/gab.png"
  },
  "permissions": [
    "webRequest",
    "webRequestBlocking",
    "*://*.gab.ai/"
  ],
  "commands": {},
  "browser_specific_settings": {
    "gecko": {
      "id": "{597d5b8d-6f7b-4926-ae8f-678f648ea288}"
    }
  }
}