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

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 {