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/faq.service.ts

@@ -0,0 +1,42 @@
+import { api } from "@/lib/api-client";
+import type {
+  FaqCategory,
+  FaqItem,
+  FaqCategoryCreateRequest,
+  FaqItemCreateRequest,
+} from "@/types/faq";
+import type { ApiSuccessResponse } from "@/types";
+
+export const faqService = {
+  async listCategories(params?: { audience?: string }): Promise<FaqCategory[]> {
+    return api.get<FaqCategory[]>("/faq/categories", params as Record<string, string | number | boolean | undefined>);
+  },
+
+  async createCategory(data: FaqCategoryCreateRequest): Promise<FaqCategory> {
+    return api.post<FaqCategory>("/faq/categories", data);
+  },
+
+  async updateCategory(id: number, data: Partial<FaqCategoryCreateRequest>): Promise<FaqCategory> {
+    return api.patch<FaqCategory>(`/faq/categories/${id}`, data);
+  },
+
+  async deleteCategory(id: number): Promise<ApiSuccessResponse> {
+    return api.delete<ApiSuccessResponse>(`/faq/categories/${id}`);
+  },
+
+  async listItems(params?: { category_id?: number; audience?: string; search?: string }): Promise<FaqItem[]> {
+    return api.get<FaqItem[]>("/faq/items", params as Record<string, string | number | boolean | undefined>);
+  },
+
+  async createItem(data: FaqItemCreateRequest): Promise<FaqItem> {
+    return api.post<FaqItem>("/faq/items", data);
+  },
+
+  async updateItem(id: number, data: Partial<FaqItemCreateRequest>): Promise<FaqItem> {
+    return api.patch<FaqItem>(`/faq/items/${id}`, data);
+  },
+
+  async deleteItem(id: number): Promise<ApiSuccessResponse> {
+    return api.delete<ApiSuccessResponse>(`/faq/items/${id}`);
+  },
+};