Build the full site from the copy decks

Adds About, Contact, Services (index + 8) and Industries (index + 7),
generated from structured JSON converted out of the .docx copy decks
by scripts/convert-docs.py. Shared header with dropdowns, footer,
contact form (mailto until a backend exists), FAQ/breadcrumb JSON-LD,
sitemap and robots.

src/app/about/page.tsx

@@ -0,0 +1,19 @@
+import ContentPage from "@/components/content/content-page";
+import { pages } from "@/lib/pages";
+import { pageMetadata } from "@/lib/metadata";
+
+const page = pages.about;
+
+export const metadata = pageMetadata(page);
+
+export default function AboutPage() {
+  return (
+    <ContentPage
+      page={page}
+      crumbs={[
+        { name: "Home", href: "/" },
+        { name: "About", href: "/about" },
+      ]}
+    />
+  );
+}