feat: add ticket workflow pages

frontend/src/components/app/AppField.tsx

@@ -0,0 +1,15 @@
+import type * as React from 'react'
+
+type AppFieldProps = {
+  label: string
+  children: React.ReactNode
+}
+
+export function AppField({ label, children }: AppFieldProps) {
+  return (
+    <label className="grid gap-1.5">
+      <span className="text-xs font-medium text-muted-foreground">{label}</span>
+      {children}
+    </label>
+  )
+}