feat(v3): restructure project + add complete frontend

- Restructure: move backend from new_project/ to backend/
- Add full React/TypeScript frontend (37 pages, 17 services, 16 type defs, 11 query hooks)
- Add docs/ with SRS specs, user stories, and workflow documentation
- Update .gitignore for new directory layout

Workflows implemented:
  WF1 User Signup, WF2 Placement Test, WF3 Exam Configuration,
  WF4 General English Exam, WF5 Course Generation,
  WF6 Entity Student Onboarding, AI Course Generation,
  Adaptive Learning Engine UI, White-Label Branding, Score Release

Made-with: Cursor

.gitignore

@@ -30,6 +30,10 @@ Thumbs.db
 # Frontend repo (separate repository)
 new_project/encoach_frontend_new_v1/
 
+# Node modules
+node_modules/
+frontend/node_modules/
+
 # Local dev artifacts
 miniconda3/
 pgdata/
@@ -50,6 +54,7 @@ new_project/enterprise-17/
 
 # Third-party modules (downloaded separately)
 new_project/openeducat_erp-19.0/
+backend/openeducat_erp-19.0/
 new_project/openeducat_erp-19.0.zip
 new_project/openeducate_enterprise-17.zip
 new_project/encoach_frontend_new_v1-main.zip