Examine source code of Superchat Live Log

{
  "manifest_version": 2,
  "name": "Superchat Live Log",
  "version": "1.4.5",
  "author": "Jonathan Chan",
  "description": "Displays a live log of YouTube Superchats; so you can read them at your own pace or filter them as you please.",
  "browser_specific_settings": {
    "gecko": {
      "id": "superchat-live-logs@j-sea.dev"
    }
  },
  "content_scripts": [
    {
      "matches": [
        "*://*.youtube.com/*"
      ],
      "js": [
        "dom-insertion.js"
      ],
      "run_at": "document_start"
    }
  ],
  "permissions": [
    "storage"
  ],
  "web_accessible_resources": [
    "superchat-live-logs.js",
    "pin-animator.js"
  ]
}