Examine source code of Vowsh

{
  "manifest_version": 2,
  "name": "Vowsh",
  "description": "Make chat great again.",
  "version": "0.4.2",
  "icons": {
    "512": "icon.png"
  },
  "content_scripts": [
    {
      "matches": [
        "*://*.vaush.gg/chat/*",
        "*://*.destiny.gg/chat/*",
        "*://*.demonmama.com/chat/*",
        "*://*.xanderhal.com/chat/*",
        "*://*.rosewrist.com/chat/*",
        "*://*.re-vera.life/chat/*",
        "*://*.surreal.gg/chat/*",
        "*://*.conure.cc/chat/*"
      ],
      "css": [
        "lib/bootstrap-3.4.1.min.css",
        "vowshapp.css"
      ],
      "js": [
        "lib/jquery-3.6.0.min.js",
        "lib/bootstrap-3.4.1.min.js",
        "lib/popper-1.14.3.min.js",
        "xhook.js",
        "vowshapp.js"
      ],
      "run_at": "document_start",
      "all_frames": true
    }
  ],
  "permissions": [
    "storage",
    "https://*.ryan.gq/*",
    "https://*.vaush.gg/*",
    "https://*.destiny.gg/*",
    "https://*.demonmama.com/*",
    "https://*.re-vera.life/*",
    "https://*.conure.cc/*",
    "https://*.xanderhal.com/*",
    "https://*.rosewrist.com/*"
  ],
  "content_security_policy": "script-src 'self' 'sha256-vhOmonmHGBFtdcsPC3qCGp3RAVZRh9/ooERgOB2dIl0='; object-src 'none';"
}