Examine source code of Shipright Catch

{
  "name": "__MSG_extName__",
  "short_name": "__MSG_appShortName__",
  "description": "__MSG_appDescription__",
  "version": "2.13.2",
  "manifest_version": 2,
  "default_locale": "en",
  "homepage_url": "https://shipright.co",
  "icons": {
    "16": "icons/icon-16.png",
    "32": "icons/icon-32.png",
    "128": "icons/icon-128.png"
  },
  "permissions": [
    "activeTab",
    "tabs",
    "storage",
    "https://*.shipright.co/",
    "https://*.shipright.app/"
  ],
  "browser_action": {
    "default_popup": "popup.html",
    "default_title": "__MSG_browserActionTitle__",
    "default_icon": {
      "19": "icons/icon-19.png",
      "38": "icons/icon-38.png"
    }
  },
  "options_ui": {
    "page": "options.html",
    "chrome_style": true
  },
  "content_scripts": [
    {
      "matches": [
        "https://*.shipright.co/*",
        "https://*.shipright.app/*"
      ],
      "js": [
        "content_scripts/detect-catch-install.js",
        "content_scripts/authenticate-catch.js",
        "content_scripts/forward-onboarding-sample.js"
      ]
    },
    {
      "matches": [
        "*://mail.google.com/*",
        "*://app.intercom.com/*",
        "*://app.frontapp.com/*",
        "*://app.hubspot.com/*",
        "*://secure.helpscout.net/*"
      ],
      "js": [
        "content_scripts/inject-domain-hint.js"
      ]
    }
  ],
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "addon@shipright.co"
    }
  }
}