feat: Plan 5 — Ekspor PDF + Ekspor per Radius + Cetak Laporan

- Add ExportController: allMiskinPDF (all data) + radiusMiskinPDF
  (server-side Haversine filtering per ibadah radius)
- Add two table-based PDF Blade views (dompdf-compatible, no flexbox/grid)
- Add export routes (/export/pdf, /export/pdf/radius/{id}/{radius})
  with numeric route constraints
- Add "Ekspor PDF" button to data tabular view
- Add CSV + PDF radius export buttons to map analysis panel;
  exportRadiusCSV() reuses existing isInside(); PDF href synced on
  ibadah click and radius slider change
- 5 new tests: access control, PDF content-type, 404 + param validation
- Mark K-04 and Section 5 (Cetak & Ekspor) complete in missing_features.md
- Update README with export features

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>

resources/views/data.blade.php

@@ -99,6 +99,9 @@
                 <button onclick="exportCSV()" class="btn btn-md btn-outline border-base-300 gap-2">
                     <i class="fa-solid fa-file-csv"></i> Ekspor CSV
                 </button>
+                <a href="{{ route('export.pdf.all') }}" target="_blank" class="btn btn-md btn-outline border-base-300 gap-2">
+                    <i class="fa-solid fa-file-pdf text-error"></i> Ekspor PDF
+                </a>
                 @endif
                 <a href="{{ url('/map') }}" class="btn btn-md btn-primary shadow-lg gap-2">
                     <i class="fa-solid fa-plus"></i> Tambah Data