Examine source code of Wisely Delayed

{
  "manifest_version": 2,
  "name": "Wisely Delayed",
  "description": "Delay access to tempting websites for a more mindful and productive online experience",
  "version": "1.1",
  "icons": {
    "32": "./images/Icon-32.png",
    "128": "./images/Icon-128.png"
  },
  "background": {
    "scripts": [
      "utils.js",
      "background.js"
    ],
    "persistent": true
  },
  "browser_action": {
    "default_icon": {
      "32": "./images/Icon-32.png",
      "128": "./images/Icon-128.png"
    }
  },
  "options_ui": {
    "page": "options.html"
  },
  "permissions": [
    "storage",
    "tabs"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "joshua.rozario@wiselydelayed.com",
      "strict_min_version": "79.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ],
        "optional": []
      }
    }
  }
}