Examine source code of The Marking App

{
  "manifest_version": 3,
  "name": "The Marking App",
  "version": "1.0.2",
  "description": "Insert saved comments directly into your marking tool - Canvas Speedgrader, Moodle, and more.",
  "action": {
    "default_popup": "src/popup/index.html",
    "default_title": "The Marking App"
  },
  "background": {
    "service_worker": "src/background/index.js",
    "scripts": [
      "src/background/index.js"
    ],
    "type": "module"
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "src/content/index.js"
      ],
      "all_frames": true,
      "run_at": "document_idle"
    },
    {
      "matches": [
        "https://themarkingapp.com/extension/auth*"
      ],
      "js": [
        "src/content-auth.js"
      ],
      "all_frames": false,
      "run_at": "document_idle"
    }
  ],
  "content_security_policy": {
    "extension_pages": "script-src 'self'; object-src 'none';"
  },
  "permissions": [
    "storage",
    "tabs"
  ],
  "host_permissions": [
    "<all_urls>"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "extension@themarking.app",
      "data_collection_permissions": {
        "required": [
          "authenticationInfo",
          "personallyIdentifyingInfo",
          "websiteContent",
          "websiteActivity"
        ],
        "optional": [
          "technicalAndInteraction"
        ]
      },
      "strict_min_version": "109.0"
    }
  },
  "icons": {
    "16": "icons/icon-16.png",
    "32": "icons/icon-32.png",
    "48": "icons/icon-48.png",
    "128": "icons/icon-128.png"
  }
}