feat: initialize finance project with Fastify, Prisma, and Zod

- Added package.json with necessary dependencies and scripts for development and production.
- Created Prisma schema for BankAccount model with fields: id, name, bankName, accountNumber, createdAt, and updatedAt.
- Implemented Fastify server with CRUD operations for bank accounts, including validation using Zod.
- Added graceful shutdown handling for server and Prisma client.

bank_account.http

@@ -0,0 +1,9 @@
+POST /api/bank-account/update/2 HTTP/1.1
+Content-Type: application/json
+Host: europa:3050
+Content-Length: 85
+
+{"name": "BofA Joint Checking","bankName": "Bank of America","accountNumber": "4581"}
+
+###
+