Examine source code of ChartMaker Pro

{
  "manifest_version": 3,
  "name": "__MSG_appName__",
  "version": "2.0.2",
  "description": "__MSG_appDescription__",
  "default_locale": "en",
  "permissions": [
    "storage"
  ],
  "action": {
    "default_icon": {
      "16": "icon16.png",
      "48": "icon48.png",
      "128": "icon128.png"
    }
  },
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "icons": {
    "16": "icon16NBg.png",
    "48": "icon48NBg.png",
    "128": "icon128NBg.png"
  },
  "author": "ChildsPlayExtensions",
  "homepage_url": "https://chartmakerpro.wildwestwiki.com/",
  "browser_specific_settings": {
    "gecko": {
      "id": "chartmakerpro@childsplayextensions",
      "strict_min_version": "140.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  }
}