Examine source code of newLEGACYinc

{
  "name": "newLEGACYinc",
  "short_name": "newLEGACYinc",
  "version": "1.0.4",
  "description": "Official browser extension of newLEGACYinc!",
  "author": "SpritePW",
  "manifest_version": 3,
  "permissions": [
    "alarms",
    "notifications",
    "storage"
  ],
  "host_permissions": [
    "https://api.newlegacyinc.com/"
  ],
  "action": {
    "default_icon": "src/nl_logo.png",
    "default_popup": "popup.html",
    "default_title": "newLEGACYinc"
  },
  "background": {
    "scripts": [
      "service-worker-loader.js"
    ],
    "type": "module"
  },
  "icons": {
    "96": "src/nl_logo.png"
  },
  "content_security_policy": {},
  "content_scripts": [
    {
      "js": [
        "assets/stream.js-loader-DrTxkMjk.js"
      ],
      "matches": [
        "https://*.youtube.com/*"
      ],
      "run_at": "document_end"
    }
  ],
  "web_accessible_resources": [
    {
      "matches": [
        "<all_urls>"
      ],
      "resources": [
        "src/youtube_profile.jpg",
        "src/nl_logo_online.png"
      ],
      "use_dynamic_url": false
    },
    {
      "matches": [
        "https://*.youtube.com/*"
      ],
      "resources": [
        "assets/browser-polyfill-DMmbowld.js",
        "assets/stream.js-B3p4BmHR.js"
      ],
      "use_dynamic_url": false
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "addon@newlegacyinc.tv",
      "strict_min_version": "121.0"
    }
  }
}