Examine source code of Docker Hub Search

{
  "name": "Docker Hub Search",
  "short_name": "Docker Search",
  "applications": {
    "gecko": {
      "strict_min_version": "52.0a1"
    }
  },
  "icons": {
    "16": "icons/docker-16.png",
    "64": "icons/docker-64.png"
  },
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "omnibox": {
    "keyword": "docker"
  },
  "manifest_version": 2,
  "permissions": [
    "https://hub.docker.com/"
  ],
  "author": "Yun Asny23 <asny23+github@gmail.com>",
  "version": "1.0.0",
  "description": "To use, type 'docker' plus your search term into the url bar.",
  "homepage_url": "https://github.com/asny23/docker-hub-search"
}