use standard email/SMTP for contact form instead of airtable API

prisma/migrations/20230618005755_init/migration.sql

@@ -1,7 +0,0 @@
--- 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

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

prisma/schema.prisma

@@ -1,12 +1,11 @@
 generator client {
-  provider        = "prisma-client-js"
-  previewFeatures = ["driverAdapters"]
+  provider = "prisma-client-js"
 }
 
 datasource db {
-  provider  = "postgresql"
-  url       = env("POSTGRES_URL")
-  directUrl = env("POSTGRES_URL_NON_POOLING")
+  provider     = "mysql"
+  url          = env("DATABASE_URL")
+  relationMode = "prisma"
 }
 
 model hits {