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

frontend/src/services/index.ts

@@ -0,0 +1,37 @@
+export { authService } from "./auth.service";
+export { usersService } from "./users.service";
+export { entitiesService } from "./entities.service";
+export { examsService } from "./exams.service";
+export { assignmentsService } from "./assignments.service";
+export { classroomsService } from "./classrooms.service";
+export { statsService } from "./stats.service";
+export { evaluationsService } from "./evaluations.service";
+export { generationService } from "./generation.service";
+export { mediaService } from "./media.service";
+export { trainingService } from "./training.service";
+export { subscriptionsService } from "./subscriptions.service";
+export { ticketsService } from "./tickets.service";
+export { storageService } from "./storage.service";
+export { approvalsService } from "./approvals.service";
+export { taxonomyService } from "./taxonomy.service";
+export { adaptiveService } from "./adaptive.service";
+export { resourcesService } from "./resources.service";
+export { coachingService } from "./coaching.service";
+export { analyticsService } from "./analytics.service";
+export { lmsService } from "./lms.service";
+export { academicService } from "./academic.service";
+export { admissionService } from "./admission.service";
+export { institutionalExamService } from "./institutional-exam.service";
+export { coursewareService } from "./courseware.service";
+export { communicationService } from "./communication.service";
+export { notificationService } from "./notification.service";
+export { faqService } from "./faq.service";
+export { plagiarismService } from "./plagiarism.service";
+export { studentLeaveService } from "./student-leave.service";
+export { feesService } from "./fees.service";
+export { lessonService } from "./lesson.service";
+export { gradebookService } from "./gradebook.service";
+export { studentProgressService } from "./student-progress.service";
+export { libraryService } from "./library.service";
+export { activityService } from "./activity.service";
+export { facilityService } from "./facility.service";