Examine source code of MIU Schedule2ICS

{
  "name": "MIU Schedule2ICS",
  "description": "Extension to export MIU Portal's Schedules to an ICS/Icalander format to Other Calander services (Google Calander, etc..)",
  "version": "0.1.3",
  "manifest_version": 3,
  "browser_specific_settings": {
    "gecko": {
      "id": "miuschedule2ics@danielmichel.developer",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  },
  "action": {
    "default_popup": "index.html"
  },
  "content_scripts": [
    {
      "js": [
        "libs/FileSaver.min.js",
        "libs/ics.min.js",
        "scripts/main.js"
      ],
      "matches": [
        "https://portal.miuegypt.edu.eg/*",
        "https://portalpwa.miuegypt.edu.eg/*"
      ],
      "run_at": "document_end"
    }
  ]
}