Examine source code of nottoofast

{
  "manifest_version": 3,
  "name": "nottoofast",
  "version": "1.0.0",
  "description": "Beat your typing record to access distracting websites",
  "permissions": [
    "webNavigation",
    "tabs",
    "storage"
  ],
  "host_permissions": [
    "<all_urls>"
  ],
  "background": {
    "scripts": [
      "src/background/index.js"
    ],
    "type": "module"
  },
  "action": {
    "default_popup": "src/popup/index.html",
    "default_title": "nottoofast"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "nottoofast@henrytang",
      "strict_min_version": "140.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ],
        "optional": []
      }
    }
  },
  "web_accessible_resources": [
    {
      "resources": [
        "src/interrupt/index.html"
      ],
      "matches": [
        "<all_urls>"
      ]
    }
  ]
}