Examine source code of RemoveAI

{
  "manifest_version": 2,
  "name": "RemoveAI",
  "version": "1.0",
  "description": "Removes AI results from searches. Add !ai to your searches to remove ai generated results. Works best with images, likely will not filter out most ai websites.",
  "icons": {
    "48": "48.png",
    "96": "96.png"
  },
  "permissions": [
    "webRequest",
    "webRequestBlocking",
    "*://www.google.com/*",
    "*://www.bing.com/*",
    "*://duckduckgo.com/*"
  ],
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{c9d5fcae-4fe7-43be-b419-121f4c389f56}"
    }
  }
}