rename auth and start work separating config

server/utils/extractBaseDomain.ts

@@ -0,0 +1,11 @@
+export function extractBaseDomain(url: string): string {
+    const newUrl = new URL(url);
+    const hostname = newUrl.hostname;
+    const parts = hostname.split(".");
+
+    if (parts.length <= 2) {
+        return parts.join(".");
+    }
+
+    return parts.slice(1).join(".");
+}