Examine source code of ansible-redirect

{
  "manifest_version": 2,
  "name": "ansible-redirect",
  "description": "Automatically redirect to the new URL format of Ansible documentation",
  "author": "Jan Willhaus",
  "version": "0.1.0",
  "icons": {
    "64": "logo.svg",
    "128": "logo.svg",
    "256": "logo.svg"
  },
  "page_action": {
    "default_icon": "logo.svg",
    "default_title": "Ansible docs page",
    "default_popup": "popup.html"
  },
  "background": {
    "scripts": [
      "browser-wrapper.js",
      "background.js"
    ]
  },
  "content_scripts": [
    {
      "matches": [
        "https://docs.ansible.com/*"
      ],
      "js": [
        "browser-wrapper.js",
        "content.js"
      ],
      "run_at": "document_start"
    }
  ],
  "permissions": [
    "*://docs.ansible.com/*",
    "webRequest",
    "webRequestBlocking",
    "storage"
  ]
}