Initial commit: Helpdesk application setup

- Backend: Node.js/TypeScript with Prisma ORM
- Frontend: Vite + TypeScript
- Project configuration and documentation

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

backend/docker-compose.yml

@@ -0,0 +1,23 @@
+version: '3.8'
+
+services:
+  postgres:
+    image: postgres:16-alpine
+    container_name: helpdesk-postgres
+    restart: unless-stopped
+    environment:
+      POSTGRES_DB: helpdesk_db
+      POSTGRES_USER: helpdesk
+      POSTGRES_PASSWORD: helpdesk123
+    volumes:
+      - postgres_data:/var/lib/postgresql/data
+    ports:
+      - "5433:5432"
+    healthcheck:
+      test: ["CMD-SHELL", "pg_isready -U helpdesk -d helpdesk_db"]
+      interval: 10s
+      timeout: 5s
+      retries: 5
+
+volumes:
+  postgres_data: