added created/updated time for expenses

bruno/Common Cents/Categories/LOC POST Category.bru

@@ -12,6 +12,6 @@ post {
 
 body:json {
   {
-    "name": "Gas"
+    "name": "Groceries:Food"
   }
 }

bruno/Common Cents/Merchants/LOC POST Merchant.bru

@@ -12,6 +12,6 @@ post {
 
 body:json {
   {
-    "name": "Casey's"
+    "name": "Walmart"
   }
 }

bruno/Common Cents/Tags/LOC POST Tag.bru

@@ -12,6 +12,6 @@ post {
 
 body:json {
   {
-    "name": "Joe"
+    "name": "Sienna"
   }
 }

src/expenses/entities/expense.entity.ts

@@ -1,4 +1,13 @@
-import { Column, Entity, JoinTable, ManyToMany, ManyToOne, PrimaryGeneratedColumn } from 'typeorm';
+import {
+  Column,
+  CreateDateColumn,
+  Entity,
+  JoinTable,
+  ManyToMany,
+  ManyToOne,
+  PrimaryGeneratedColumn,
+  UpdateDateColumn,
+} from 'typeorm';
 import { Tag } from '../../tags/entities/tag.entity';
 import { Category } from '../../categories/entities/category.entity';
 import { Merchant } from '../../merchants/entities/merchant.entity';
@@ -26,4 +35,10 @@ export class Expense {
   @ManyToMany(() => Tag, { nullable: true, eager: true })
   @JoinTable()
   tags: Tag[];
+
+  @CreateDateColumn()
+  createdAt: Date;
+
+  @UpdateDateColumn()
+  updatedAt: Date;
 }