Examine source code of Atlassian Forge DevTools

{
  "manifest_version": 2,
  "name": "Atlassian Forge DevTools",
  "description": "Browser extension that provides DevTools for Atlassian Forge apps.",
  "version": "1.2.1",
  "icons": {
    "16": "icon/16.png",
    "32": "icon/32.png",
    "48": "icon/48.png",
    "96": "icon/96.png",
    "128": "icon/128.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      },
      "id": "{e41ada0e-4490-476a-94ae-6afe006dcf61}"
    }
  },
  "permissions": [
    "storage"
  ],
  "devtools_page": "devtools.html"
}