Examine source code of GraphQL-Inspect

{
  "manifest_version": 2,
  "name": "GraphQL-Inspect",
  "description": "Inspect GraphQL requests and response data",
  "version": "0.1.1",
  "icons": {
    "128": "icons/icon.png"
  },
  "author": "Matthias Kind",
  "homepage_url": "https://github.com/lokmeinmatz/GraphQL-Inspect",
  "devtools_page": "devtools.html",
  "permissions": [
    "storage"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "graphql-inspect@lokmeinmatz"
    }
  }
}