Examine source code of Diplodoc Beta

{
  "name": "Diplodoc Beta",
  "description": "Share your notes with others and connect together!",
  "version": "0.1",
  "permissions": [
    "storage",
    "webRequest",
    "<all_urls>"
  ],
  "content_scripts": [
    {
      "matches": [
        "*://*/*mod/quiz/attempt.php?*"
      ],
      "run_at": "document_start",
      "js": [
        "quiz.js"
      ]
    }
  ],
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "browser_action": {
    "default_popup": "diplodoc.html",
    "default_icon": "diplodoc.png"
  },
  "manifest_version": 2,
  "default_locale": "en",
  "browser_specific_settings": {
    "gecko": {
      "id": "admin@diplodoc.net",
      "strict_min_version": "57.0"
    }
  }
}