Examine source code of RoMastered

{
  "action": {
    "default_popup": "popup.html"
  },
  "content_scripts": [
    {
      "js": [
        "content.js"
      ],
      "matches": [
        "https://*.roblox.com/*",
        "https://roblox.com/*"
      ]
    }
  ],
  "icons": {
    "48": "images/icon-48.png",
    "128": "images/icon-128.png"
  },
  "key": "MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA0M7Xlqrkz8mGpV/IMd346OHx0Z3wkYtTCGczoTtgvVm54QZaSfraLWhTvA1s+qU0OcJLK9iorN5TdoGolFfyVSBOUxOljDc+YPQxxSJrHMNQaY055CI3TSRQPhXkGCqnNiYjb8E+aWg3wPZDUeXiH/piig+DY87MARY3pwUIcton43AEjeZa1qkY+Ob4sDjrdzj0HlL3pSywXr4FmXARYgknNcS+YJfvKV1cz5v34ABkOMCpvmh+PPfNztwzn9bW8U+p9qW75vmwmOlSBosXKmHFxc24f2/SXj0GzinUIibLDrUUsYKVUuaHjYcKyo+vkcNm3AGxXChgp3dMRY5umQIDAQAB",
  "manifest_version": 3,
  "name": "RoMastered",
  "permissions": [
    "storage"
  ],
  "update_url": "https://clients2.google.com/service/update2/crx",
  "version": "1.9.1",
  "web_accessible_resources": [
    {
      "matches": [
        "<all_urls>"
      ],
      "resources": [
        "logo.png"
      ]
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "puze@puze.eu",
      "strict_min_version": "109.0"
    }
  }
}