Add faviconSvg to .upptimerc.yml

Author: LuggaPugga

.upptimerc.yml

@@ -17,6 +17,7 @@ status-website:
   themeUrl: https://status.faststats.dev/theme.css
   # baseUrl: /your-repo-name
   logoUrl: https://status.faststats.dev/icon-dark.png
+  faviconSvg: https://status.faststats.dev/icon-dark.png
   name: FastStats Status
   introTitle: "**FastStats** status page."
   introMessage: This is a sample status page which uses **real-time** data from our [GitHub repository](https://github.com/upptime/upptime). No server required — just GitHub Actions, Issues, and Pages. [**Get your own for free**](https://github.com/upptime/upptime)