Add IT Support site (Vite + React + TS + Tailwind) with FAQ data from helpdesk DB

Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01GJy6X45by9tzgQjaHHGMvW

it-support/vite.config.ts

@@ -0,0 +1,4 @@
+import { defineConfig } from 'vite'
+import react from '@vitejs/plugin-react'
+
+export default defineConfig({ plugins: [react()], base: './' })