Examine source code of Advanced GitHub Notifier

{
  "browser_specific_settings": {
    "gecko": {
      "strict_min_version": "64.0",
      "id": "{8d4b86c5-64bf-4780-b029-0112386735ab}"
    }
  },
  "manifest_version" : 2 ,
  "background" : {
    "scripts" : [
      "scripts/config.js" ,
      "scripts/menu-spec.js" ,
      "scripts/github.js" ,
      "scripts/github-light.js" ,
      "scripts/github-enterprise.js" ,
      "scripts/github-user-token.js" ,
      "scripts/github-enterprise-pat.js" ,
      "scripts/gitlab.js" ,
      "scripts/gitea.js" ,
      "scripts/storage.js" ,
      "scripts/storage-manager.js" ,
      "scripts/handler.js" ,
      "scripts/client-manager.js" ,
      "scripts/background.js" 
    ]
  },
  "browser_action" : {
    "browser_style": true,
    "default_title" : "__MSG_actionTitle__" ,
    "default_popup" : "popup.html",
    "default_icon" : "images/github.svg",
    "theme_icons": [
      {
        "dark": "images/github.svg",
        "light": "images/github-light.svg",
        "size": 19
      }
    ]
  },
  "content_security_policy" : "default-src 'self'; connect-src https://api.github.com https://github.com https://*; object-src 'none'; img-src 'self' data:",
  "default_locale" : "en" ,
  "description" : "__MSG_description__" ,
  "name" : "__MSG_name__" ,
  "permissions" : [
    "identity" ,
    "notifications" ,
    "alarms" ,
    "storage" ,
    "https://github.com/login/oauth/access_token" ,
    "menus" ,
    "menus.overrideContext" 
  ],
  "optional_permissions" : [
    "https://*/*" 
  ],
  "version" : "1.10.2",
  "icons" : {
    "48" : "images/icon-48.png",
    "64" : "images/icon-64.png",
    "96" : "images/icon-96.png"
  },
  "options_ui" : {
    "page": "options.html" ,
    "browser_style": true
  },
  "commands" : {
    "_execute_browser_action": {
      "suggested_key": {
        "default": "Alt+G"
      },
      "description" : "__MSG_shortcutDescription__" 
    }
  }
}