point prisma to vercel postgres

prisma/migrations/20230618005755_init/migration.sql

@@ -0,0 +1,7 @@
+-- CreateTable
+CREATE TABLE "hits" (
+    "slug" VARCHAR(128) NOT NULL,
+    "hits" INTEGER NOT NULL DEFAULT 1,
+
+    CONSTRAINT "hits_pkey" PRIMARY KEY ("slug")
+);

prisma/migrations/migration_lock.toml

@@ -0,0 +1,3 @@
+# Please do not edit this file manually
+# It should be added in your version-control system (i.e. Git)
+provider = "postgresql"