feat(database): add psql_bouncer support and simplify postgresql config

- Add new psql_bouncer database provider option
- Update database scripts to handle psql_bouncer provider
- Comment out pgbouncer service in docker-compose
- Simplify postgresql schema by removing directUrl
- Add new psql_bouncer-schema.prisma file
- Update .env.example with psql_bouncer configuration
- Modify runWithProvider.js to handle psql_bouncer migrations

prisma/postgresql-schema.prisma

@@ -9,9 +9,8 @@ generator client {
 }
 
 datasource db {
-  provider  = "postgresql"
-  url       = env("DATABASE_CONNECTION_URI")
-  directUrl = env("DATABASE_DIRECT_CONNECTION_URI")
+  provider = "postgresql"
+  url      = env("DATABASE_CONNECTION_URI")
 }
 
 enum InstanceConnectionStatus {