Rework Expenses resource (#3)

Co-authored-by: Joe Arndt <jmarndt@users.noreply.github.com>
Reviewed-on: #3

src/expenses/expenses.module.ts

@@ -0,0 +1,10 @@
+import { Module } from '@nestjs/common';
+import { ExpensesService } from './expenses.service';
+import { ExpensesController } from './expenses.controller';
+import { ExpenseDataService } from './expense-data.service';
+
+@Module({
+  controllers: [ExpensesController],
+  providers: [ExpensesService, ExpenseDataService],
+})
+export class ExpensesModule { }