feat(backend): add GET /api/mes-emprunts endpoint

eme-backend/src/controllers/emprunt.controller.ts

@@ -0,0 +1,13 @@
+import { Request, Response } from 'express';
+import { AppError } from '../errors/app-error';
+import { listerMesEmpruntsEnCours } from '../services/emprunt.service';
+
+export async function getMesEmprunts(req: Request, res: Response): Promise<void> {
+  const user = req.user;
+  if (!user) {
+    throw new AppError(401, 'Authentification requise');
+  }
+
+  const emprunts = await listerMesEmpruntsEnCours(user.id);
+  res.json({ data: emprunts });
+}