added adminbar to layout

utilities/canUseDOM.ts

@@ -0,0 +1 @@
+export default !!(typeof window !== 'undefined' && window.document && window.document.createElement)

utilities/getURL.ts

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+import canUseDOM from './canUseDOM'
+
+export const getServerSideURL = () => {
+  return (
+    process.env.NEXT_PUBLIC_SERVER_URL ||
+    (process.env.VERCEL_PROJECT_PRODUCTION_URL
+      ? `https://${process.env.VERCEL_PROJECT_PRODUCTION_URL}`
+      : 'http://localhost:3000')
+  )
+}
+
+export const getClientSideURL = () => {
+  if (canUseDOM) {
+    const protocol = window.location.protocol
+    const domain = window.location.hostname
+    const port = window.location.port
+
+    return `${protocol}//${domain}${port ? `:${port}` : ''}`
+  }
+
+  if (process.env.VERCEL_PROJECT_PRODUCTION_URL) {
+    return `https://${process.env.VERCEL_PROJECT_PRODUCTION_URL}`
+  }
+
+  return process.env.NEXT_PUBLIC_SERVER_URL || ''
+}

utilities/ui.ts

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+import { type ClassValue, clsx } from 'clsx'
+import { twMerge } from 'tailwind-merge'
+
+export function cn(...inputs: ClassValue[]) {
+  return twMerge(clsx(inputs))
+}