US-007: Create education extras data file

Add educationExtras.ts with expanded detail for education entries:
- MPharm: extracurriculars and research description from CV
- Mary Seacole: programme detail about leadership qualification

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

src/data/educationExtras.ts

@@ -0,0 +1,17 @@
+import type { EducationExtra } from '@/types/pmr'
+
+export const educationExtras: EducationExtra[] = [
+  {
+    documentId: 'doc-mpharm',
+    extracurriculars: [
+      'President of UEA Pharmacy Society',
+      'Secretary & Vice-President of UEA Ultimate Frisbee',
+      'Publicity Officer for UEA Alzheimer\'s Society',
+    ],
+    researchDescription: 'Final year research project investigating cocrystal formation for improved drug delivery properties. Awarded Distinction grade (75.1%).',
+  },
+  {
+    documentId: 'doc-mary-seacole',
+    programmeDetail: 'Formal NHS leadership qualification providing theoretical grounding in healthcare leadership approaches, change management, and system-level thinking.',
+  },
+]