Examine source code of Search on Mapy.com

{
  "manifest_version": 2,
  "name": "Search on Mapy.com",
  "version": "1.0",
  "description": "Search selected text on mapy.com from context menu",
  "browser_specific_settings": {
    "gecko": {
      "id": "mapy-search@example.com",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  },
  "permissions": [
    "contextMenus",
    "activeTab"
  ],
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "icons": {
    "16": "icon16.png",
    "32": "icon32.png",
    "96": "icon96.png"
  }
}