Examine source code of Mindful Browsing V2

{
  "manifest_version": 2,
  "name": "Mindful Browsing V2",
  "version": "1.3",
  "description": "Encourage mindful browsing by gently reminding users when they visit distracting sites. Includes scheduling and motivational quotes.",
  "permissions": [
    "tabs",
    "storage",
    "notifications",
    "webNavigation"
  ],
  "background": {
    "scripts": [
      "background.js"
    ],
    "persistent": true
  },
  "options_ui": {
    "page": "options.html",
    "open_in_tab": true
  },
  "icons": {
    "32": "icons/logo_32.png",
    "64": "icons/logo_64.png",
    "128": "icons/logo_128.png"
  },
  "browser_action": {
    "default_title": "Mindful Browsing",
    "default_popup": "popup.html",
    "default_icon": {
      "32": "icons/logo_32.png",
      "64": "icons/logo_64.png",
      "128": "icons/logo_128.png"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{1105d368-905d-4779-a3e9-b5503c6dedfb}"
    }
  }
}