Examine source code of Quick Search - MDN

{
  "manifest_version": 2,
  "version": "1.2",
  "name": "Quick Search - MDN",
  "author": "Siddhartha Sarkar",
  "description": "Search for MDN docs quickly.",
  "icons": {
    "32": "icons/options_icon.png"
  },
  "browser_action": {
    "default_icon": "icons/options_icon.png",
    "default_title": "Quick Search - MDN",
    "default_popup": "options/options.html"
  },
  "permissions": [
    "https://developer.mozilla.org/*"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{1c2e3ab8-a1bc-4881-8251-3e05254df54e}"
    }
  },
  "commands": {
    "_execute_browser_action": {
      "suggested_key": {
        "default": "Ctrl+Shift+Y"
      }
    }
  }
}