Examine source code of JSON Beautifier

{
  "manifest_version": 2,
  "name": "JSON Beautifier",
  "version": "1.1",
  "description": "Automatically formats and highlights JSON content for readability.",
  "icons": {
    "64": "icons/icon64.png",
    "128": "icons/icon128.png"
  },
  "permissions": [
    "<all_urls>"
  ],
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "content_script.js"
      ],
      "run_at": "document_end"
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{adc89094-ffd9-43ad-aaee-80f146e74dc2}",
      "strict_min_version": "91.0"
    }
  }
}