Examine source code of rotheme - theming engine for Roblox

{
  "name": "rotheme - theming engine for Roblox",
  "description": "Customize Roblox effortlessly with our intuitive editor and real-time preview, and find your next favorite theme on our Marketplace.",
  "version": "1.4.2",
  "manifest_version": 3,
  "background": {
    "scripts": [
      "scripts/misc/background.js"
    ]
  },
  "content_scripts": [
    {
      "js": [
        "scripts/misc/rolimons.js"
      ],
      "matches": [
        "https://www.rolimons.com/*"
      ]
    },
    {
      "js": [
        "scripts/rotheme/rotheme.js"
      ],
      "matches": [
        "https://rotheme.com/*"
      ]
    },
    {
      "js": [
        "scripts/roblox/theming.js"
      ],
      "matches": [
        "https://www.roblox.com/*"
      ],
      "run_at": "document_start"
    },
    {
      "js": [
        "scripts/roblox/catalog.js"
      ],
      "matches": [
        "https://www.roblox.com/catalog/*"
      ]
    }
  ],
  "action": {
    "default_title": "rotheme",
    "default_popup": "popup/popup.html"
  },
  "icons": {
    "128": "assets/images/icon-128.png"
  },
  "permissions": [
    "storage",
    "unlimitedStorage"
  ],
  "web_accessible_resources": [
    {
      "resources": [
        "assets/*",
        "sidebar/*"
      ],
      "matches": [
        "https://www.rolimons.com/*",
        "https://www.roblox.com/*"
      ]
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "rotheme@bsb.dev",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  }
}