Examine source code of Try another search engine

{
  "manifest_version": 2,
  "name": "Try another search engine",
  "version": "0.10.0",
  "description": "Allows quick cycling through predefined search engines (Seznam 🐶, Google, Bing, Brave & DuckDuckGo 🦆) results",
  "icons": {
    "48": "icons/ses_48.png"
  },
  "background": {
    "scripts": [
      "src/common/restoreOptions.js",
      "src/background/background.js",
      "src/background/http.js"
    ]
  },
  "content_scripts": [
    {
      "matches": [
        "*://search.seznam.cz/*",
        "*://www.bing.com/*",
        "*://www.obrazky.cz/*",
        "*://www.google.com/*",
        "*://www.google.cz/*",
        "*://duckduckgo.com/*",
        "*://search.brave.com/*"
      ],
      "css": [
        "src/content/content.css"
      ],
      "js": [
        "src/common/restoreOptions.js",
        "src/content/locations.js",
        "src/content/content-templates.js",
        "src/content/content.js"
      ]
    }
  ],
  "options_ui": {
    "page": "src/options/options.html"
  },
  "permissions": [
    "storage"
  ],
  "web_accessible_resources": [
    "icons/*"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{14c48e36-100d-4d9b-a11a-890112654de9}"
    }
  }
}