Examine source code of QuizQueue

{
  "manifest_version": 2,
  "name": "QuizQueue",
  "version": "1.0.1",
  "description": "Queue up your daily quizzes into playlists and blast through them — auto-advance, keybinds, and a discover feed.",
  "browser_specific_settings": {
    "gecko": {
      "id": "dev@quizqueue.xyz",
      "strict_min_version": "142.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  },
  "icons": {
    "16": "icons/icon-16.png",
    "32": "icons/icon-32.png",
    "48": "icons/icon-48.png",
    "96": "icons/icon-96.png",
    "128": "icons/icon-128.png"
  },
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "browser_action": {
    "default_popup": "popup/popup.html",
    "default_icon": {
      "16": "icons/icon-16.png",
      "32": "icons/icon-32.png",
      "48": "icons/icon-48.png"
    },
    "default_title": "QuizQueue"
  },
  "page_action": {
    "default_icon": "icons/add.svg",
    "default_title": "Add to QuizQueue"
  },
  "options_ui": {
    "page": "options/options.html",
    "open_in_tab": true
  },
  "commands": {
    "next-quiz": {
      "suggested_key": {
        "default": "Alt+Shift+N"
      },
      "description": "Go to the next quiz"
    },
    "skip-quiz": {
      "suggested_key": {
        "default": "Alt+Shift+S"
      },
      "description": "Skip this quiz"
    },
    "cancel-countdown": {
      "suggested_key": {
        "default": "Alt+Shift+C"
      },
      "description": "Cancel the auto-advance countdown"
    },
    "add-current-page": {
      "suggested_key": {
        "default": "Alt+Shift+A"
      },
      "description": "Add the current page to the active list"
    },
    "_execute_browser_action": {
      "suggested_key": {
        "default": "Alt+Shift+Q"
      }
    }
  },
  "permissions": [
    "storage",
    "tabs",
    "bookmarks",
    "webRequest",
    "<all_urls>"
  ]
}