Examine source code of Outlook Web Plus

{
  "manifest_version": 2,
  "name": "__MSG_extensionName__",
  "version": "1.2.5",
  "description": "__MSG_extensionDescription__",
  "icons": {
    "48": "icons/mop48.png",
    "96": "icons/mop96.png"
  },
  "permissions": [
    "storage"
  ],
  "content_scripts": [
    {
      "matches": [
        "*://*.outlook.live.com/*"
      ],
      "js": [
        "./src/outlook_web_plus_min.js"
      ]
    }
  ],
  "default_locale": "en",
  "browser_action": {
    "default_icon": {
      "48": "icons/mop48.png",
      "96": "icons/mop96.png"
    },
    "default_title": "Outlook Web Plus",
    "default_popup": "./src/popup.html"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{a9fd09a2-e1ef-4071-8db9-cf3efc92a1ff}"
    }
  }
}