feat: add backend

apps/server/controllers/application.ts

@@ -0,0 +1,11 @@
+import type { Context } from 'koa';
+import prisma from '../libs/db.ts';
+
+export async function list(ctx: Context) {
+  const list = await prisma.application.findMany({
+    where: {
+      valid: 1,
+    },
+  });
+  ctx.body = list;
+}