Complete Next.js migration with SSR and Docker deployment

- Migrate from vanilla JavaScript SPA to Next.js 16 with App Router
- Add server-side rendering for all pages (Home, Compare, Rankings)
- Create individual school pages with dynamic routing (/school/[urn])
- Implement Chart.js and Leaflet map integrations
- Add comprehensive SEO with sitemap, robots.txt, and JSON-LD
- Set up Docker multi-service architecture (PostgreSQL, FastAPI, Next.js)
- Update CI/CD pipeline to build both backend and frontend images
- Fix Dockerfile to include devDependencies for TypeScript compilation
- Add Jest testing configuration
- Implement performance optimizations (code splitting, caching)

Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>

nextjs-app/hooks/useSchoolDetails.ts

@@ -0,0 +1,28 @@
+/**
+ * Custom hook for fetching school details with SWR
+ */
+
+'use client';
+
+import useSWR from 'swr';
+import { fetcher } from '@/lib/api';
+import type { SchoolDetailsResponse } from '@/lib/types';
+
+export function useSchoolDetails(urn: number | null) {
+  const { data, error, isLoading, mutate } = useSWR<SchoolDetailsResponse>(
+    urn ? `/schools/${urn}` : null,
+    fetcher,
+    {
+      revalidateOnFocus: false,
+      dedupingInterval: 30000, // 30 seconds
+    }
+  );
+
+  return {
+    schoolInfo: data?.school_info,
+    yearlyData: data?.yearly_data || [],
+    isLoading,
+    error,
+    mutate,
+  };
+}