Examine source code of Todoist Linkifier

{
  "manifest_version": 2,
  "name": "Todoist Linkifier",
  "version": "1.0",
  "description": "Highlights links in Todoist Web",
  "icons": {
    "48": "icons/linkifier-48.png"
  },
  "content_scripts": [
    {
      "matches": [
        "*://todoist.com/*"
      ],
      "css": [
        "linkify.css"
      ]
    }
  ]
}