Add Elysia API scaffold

apps/api/src/index.ts

@@ -0,0 +1,10 @@
+import { Elysia } from 'elysia';
+import { env } from './config/env';
+import { healthRoutes } from './routes/health';
+import { statusRoutes } from './routes/status';
+
+const app = new Elysia().use(healthRoutes).use(statusRoutes).listen(env.port);
+
+console.log(`ZeaVis Edu API running at http://${app.server?.hostname}:${app.server?.port}`);
+
+export type App = typeof app;