Update application features and add scripts (core changes)

lib/db.ts

@@ -1,9 +1,15 @@
 import { PrismaClient } from '@prisma/client'
 
+import { Pool } from 'pg'
+import { PrismaPg } from '@prisma/adapter-pg'
+
 const globalForPrisma = globalThis as unknown as {
   prisma: PrismaClient | undefined
 }
 
-export const db = globalForPrisma.prisma ?? new PrismaClient()
+const pool = new Pool({ connectionString: process.env.DATABASE_URL })
+const adapter = new PrismaPg(pool)
+
+export const db = globalForPrisma.prisma ?? new PrismaClient({ adapter })
 
 if (process.env.NODE_ENV !== 'production') globalForPrisma.prisma = db