Examine source code of Fav Icon Refresher

{
  "manifest_version": 2,
  "name": "Fav Icon Refresher",
  "description": "Refresh all bookmark fav icons",
  "version": "1.4",
  "author": "EdCordata",
  "homepage_url": "https://gitlab.com/EdCordata-REPOS/Browser-Extensions/Firefox/Fav-Icon-Refresher",
  "icons": {
    "16": "src/assets/icons/main.svg",
    "32": "src/assets/icons/main.svg",
    "48": "src/assets/icons/main.svg",
    "64": "src/assets/icons/main.svg",
    "96": "src/assets/icons/main.svg",
    "128": "src/assets/icons/main.svg"
  },
  "options_ui": {
    "page": "src/options.html",
    "open_in_tab": true
  },
  "browser_action": {
    "default_title": "Fav Icon Refresher",
    "default_icon": {
      "16": "src/assets/icons/main.svg",
      "32": "src/assets/icons/main.svg",
      "48": "src/assets/icons/main.svg",
      "64": "src/assets/icons/main.svg",
      "96": "src/assets/icons/main.svg",
      "128": "src/assets/icons/main.svg"
    }
  },
  "background": {
    "scripts": [
      "src/background.js"
    ],
    "persistent": false,
    "type": "module"
  },
  "permissions": [
    "bookmarks",
    "tabs",
    "activeTab",
    "*://*/*"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{fc8a8d0c-07bf-4c31-99b8-1adb72b73dd8}"
    }
  }
}