Remove trpc and use H3 instead

src/server/api/maintenance.get.ts

@@ -0,0 +1,23 @@
+export default defineEventHandler(async () => {
+  const maintenance = await usePrisma().maintenance.findFirst({
+    orderBy: {
+      createdAt: 'desc',
+    },
+  })
+  let enabled = true
+  if (process.env.NODE_ENV === 'development') {
+    enabled = false
+  }
+  else {
+    const today = new Date()
+    enabled = !!maintenance
+    && maintenance.enabled
+    && maintenance.beginAt.getTime() < today.getTime()
+    && maintenance.endAt.getTime() > today.getTime()
+  }
+
+  return {
+    enabled,
+    maintenance,
+  }
+})