Examine source code of human.json Verifier

{
  "manifest_version": 3,
  "name": "human.json Verifier",
  "version": "0.1.5",
  "description": "Verify human authorship of sites using the human.json protocol.",
  "homepage_url": "https://codeberg.org/robida/human.json",
  "permissions": [
    "tabs",
    "activeTab",
    "alarms"
  ],
  "host_permissions": [
    "<all_urls>"
  ],
  "background": {
    "scripts": [
      "background.js"
    ],
    "type": "module"
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "content.js"
      ],
      "run_at": "document_idle"
    }
  ],
  "action": {
    "default_popup": "popup.html",
    "default_title": "human.json Verifier",
    "default_icon": {
      "16": "icons/default-16.png",
      "32": "icons/default-32.png",
      "48": "icons/default-48.png",
      "128": "icons/default-128.png"
    }
  },
  "icons": {
    "16": "icons/default-16.png",
    "32": "icons/default-32.png",
    "48": "icons/default-48.png",
    "128": "icons/default-128.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "human-json-verifier@robida.net",
      "strict_min_version": "140.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    },
    "gecko_android": {
      "strict_min_version": "142.0"
    }
  }
}