Examine source code of The Siemplify Extension

{
  "name": "The Siemplify Extension",
  "short_name": "TSE",
  "version": "2.0.1",
  "version_name": "v2.0.1-s5.5.3",
  "description": "Extend Siemplify with a wealth of additional features and improvements.",
  "author": "Daniel Brand",
  "homepage_url": "https://github.com/devsecdan/The-Siemplify-Extension",
  "manifest_version": 2,
  "icons": {
    "48": "icons/SiemplifyExtension48.png",
    "96": "icons/SiemplifyExtension96.png",
    "300": "icons/SiemplifyExtension300.png"
  },
  "permissions": [
    "tabs",
    "storage",
    "alarms",
    "contextMenus",
    "webRequest"
  ],
  "optional_permissions": [
    "http://*/*",
    "https://*/*"
  ],
  "background": {
    "page": "background.html",
    "persistent": true
  },
  "browser_action": {}
}