Examine source code of MainWP Browser Extension

{
  "manifest_version": 3,
  "name": "MainWP Browser Extension",
  "version": "2.0",
  "description": "Stay informed by monitoring available updates and non-MainWP changes. Connects to your MainWP Dashboard via REST API.",
  "icons": {
    "16": "assets/images/mainwp32.png",
    "64": "assets/images/mainwp64.png",
    "128": "assets/images/mainwp128.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "support@mainwp.com",
      "strict_min_version": "42.0"
    }
  },
  "background": {
    "scripts": [
      "background.js"
    ],
    "type": "module"
  },
  "action": {
    "default_popup": "popup.html"
  },
  "permissions": [
    "alarms",
    "storage",
    "unlimitedStorage",
    "notifications"
  ],
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "js/mainwp.js",
        "js/toastr/toastr.js"
      ],
      "css": [
        "css/style.css",
        "js/toastr/toastr.css"
      ]
    }
  ],
  "host_permissions": [
    "<all_urls>",
    "https://*/wp-json/mainwp/v1/sites/*"
  ]
}