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

vite.config.ts

@@ -0,0 +1,28 @@
+import { defineConfig } from "vite";
+import react from "@vitejs/plugin-react-swc";
+import path from "path";
+import { componentTagger } from "lovable-tagger";
+
+// https://vitejs.dev/config/
+export default defineConfig(({ mode }) => ({
+  server: {
+    host: "::",
+    port: 8080,
+    // Browser blocks :8080 → :8069 (CORS). Proxy /api to Odoo so fetch stays same-origin.
+    proxy: {
+      "/api": {
+        target: "http://127.0.0.1:8069",
+        changeOrigin: true,
+      },
+    },
+    hmr: {
+      overlay: false,
+    },
+  },
+  plugins: [react(), mode === "development" && componentTagger()].filter(Boolean),
+  resolve: {
+    alias: {
+      "@": path.resolve(__dirname, "./src"),
+    },
+  },
+}));