Examine source code of JSON Viewer & Beautifier, Formatter - Lumina JSON

{
  "manifest_version": 2,
  "name": "JSON Viewer, Beautifier, Editor - LuminaJSON",
  "description": "JSON viewer & formatter to view JSON easily. JSON beautifier, JSON editor & JSON prettier for JSON (JavaScript Object Notation).",
  "version": "1.4.0",
  "icons": {
    "16": "icon/16.png",
    "32": "icon/32.png",
    "48": "icon/48.png",
    "96": "icon/96.png",
    "128": "icon/128.png"
  },
  "permissions": [
    "storage",
    "unlimitedStorage",
    "https://sponsors-luminajson.pages.dev/"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "lumina-json-formatter@furneez.com",
      "strict_min_version": "140.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ],
        "optional": []
      }
    },
    "gecko_android": {
      "strict_min_version": "142.0"
    }
  },
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "browser_action": {
    "default_title": "LuminaJSON - JSON Formatter & Viewer",
    "default_popup": "popup.html"
  },
  "options_ui": {
    "page": "options.html"
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>",
        "file://*/*"
      ],
      "run_at": "document_start",
      "js": [
        "content-scripts/content.js"
      ]
    }
  ]
}