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"

prisma/schema.prisma

@@ -1,11 +1,13 @@
 generator client {
-  provider = "prisma-client-js"
+  provider        = "prisma-client-js"
+  previewFeatures = ["jsonProtocol"]
 }
 
 datasource db {
-  provider     = "mysql"
-  url          = env("DATABASE_URL")
-  relationMode = "prisma"
+  provider          = "postgresql"
+  url               = env("POSTGRES_PRISMA_URL")
+  directUrl         = env("POSTGRES_URL_NON_POOLING")
+  shadowDatabaseUrl = env("POSTGRES_URL_NON_POOLING")
 }
 
 model hits {