Examine source code of Udemy Show Release Date

{
  "manifest_version": 3,
  "name": "udemy-show-release-date",
  "description": "A browser extension to show the release date of Udemy courses",
  "version": "1.0.0",
  "icons": {
    "16": "icons/16.png",
    "32": "icons/32.png",
    "48": "icons/48.png",
    "128": "icons/128.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "udemy-show-release-date@InvictusNavarchus",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      },
      "strict_min_version": "142.0"
    }
  },
  "action": {
    "default_title": "Udemy Show Release Date",
    "default_popup": "popup.html"
  },
  "content_scripts": [
    {
      "matches": [
        "*://www.udemy.com/course/*"
      ],
      "js": [
        "content-scripts/course-date.js"
      ]
    }
  ]
}