feat: complete MVP foundation auth and dashboard

components/dashboard-placeholder-page.tsx

@@ -0,0 +1,21 @@
+export function DashboardPlaceholderPage({
+  title,
+  description,
+}: {
+  title: string;
+  description: string;
+}) {
+  return (
+    <main className="px-4 py-5 sm:px-6 lg:px-8">
+      <section className="mx-auto max-w-7xl rounded-lg border bg-card p-5 text-card-foreground">
+        <p className="text-sm font-medium text-muted-foreground">
+          WebDev Pipeline
+        </p>
+        <h1 className="mt-2 text-2xl font-semibold tracking-normal">{title}</h1>
+        <p className="mt-3 max-w-2xl text-sm leading-6 text-muted-foreground">
+          {description}
+        </p>
+      </section>
+    </main>
+  );
+}