add nextjs and migrated api to next api

apps/web/src/server/db.ts

@@ -0,0 +1,16 @@
+import { PrismaClient } from "@prisma/client";
+
+import { env } from "@/env.mjs";
+
+const globalForPrisma = globalThis as unknown as {
+  prisma: PrismaClient | undefined;
+};
+
+export const db =
+  globalForPrisma.prisma ??
+  new PrismaClient({
+    log:
+      env.NODE_ENV === "development" ? ["query", "error", "warn"] : ["error"],
+  });
+
+if (env.NODE_ENV !== "production") globalForPrisma.prisma = db;