Examine source code of Websites Hider

{
  "manifest_version": 2,
  "name": "Search Engine Blocker",
  "version": "1.2",
  "description": "Blocks specified websites from appearing in search engine results",
  "permissions": [
    "activeTab",
    "webRequest",
    "webRequestBlocking",
    "storage",
    "<all_urls>"
  ],
  "background": {
    "scripts": [
      "background.js"
    ],
    "persistent": false
  },
  "content_scripts": [
    {
      "matches": [
        "*://*.google.com/*",
        "*://*.bing.com/*"
      ],
      "js": [
        "src/content_script.js",
        "src/blocker.js"
      ]
    }
  ],
  "browser_action": {
    "default_title": "Search Engine Blocker",
    "default_popup": "src/views/popup/addon_popup.html"
  },
  "options_ui": {
    "page": "src/views/popup/addon_popup.html"
  },
  "icons": {
    "48": "assets/images/icon.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{26e41d8b-db7b-4daf-baf1-cbf4a5204702}"
    }
  }
}