feat: implement bank accounts, branches, and banks modules with CRUD operations

- Added BankAccountsController, BankAccountsService, and related DTOs for managing bank accounts.
- Implemented BankBranchesController, BankBranchesService, and related DTOs for managing bank branches.
- Created BanksController and BanksService for retrieving bank information.
- Integrated Prisma for database operations across all modules.
- Added response mapping for consistent API responses.

src/modules/bank-accounts/bank-accounts.controller.ts

@@ -0,0 +1,34 @@
+import { Body, Controller, Delete, Get, Param, Patch, Post } from '@nestjs/common'
+import { BankAccountsService } from './bank-accounts.service'
+import { CreateBankAccountDto } from './dto/create-bank-account.dto'
+import { UpdateBankAccountDto } from './dto/update-bank-account.dto'
+
+@Controller('bank-accounts')
+export class BankAccountsController {
+  constructor(private readonly bankAccountsService: BankAccountsService) {}
+
+  @Post()
+  create(@Body() dto: CreateBankAccountDto) {
+    return this.bankAccountsService.create(dto)
+  }
+
+  @Get()
+  findAll() {
+    return this.bankAccountsService.findAll()
+  }
+
+  @Get(':id')
+  findOne(@Param('id') id: string) {
+    return this.bankAccountsService.findOne(Number(id))
+  }
+
+  @Patch(':id')
+  update(@Param('id') id: string, @Body() dto: UpdateBankAccountDto) {
+    return this.bankAccountsService.update(Number(id), dto)
+  }
+
+  @Delete(':id')
+  remove(@Param('id') id: string) {
+    return this.bankAccountsService.remove(Number(id))
+  }
+}