Create concept of currency in the database (#209)

# Description

Please include a summary of the change and which issue is fixed. Please also include relevant motivation and context. List any dependencies that are required for this change.

- Create the concept of currency in the database

#200

## Type of change

Please delete options that are not relevant.

- [x] New feature (non-breaking change which adds functionality)

# How Has This Been Tested?

Please describe the tests that you ran to verify the changes. Provide instructions so we can reproduce. Please also list any relevant details to your test configuration.

# Checklist

- [ ] My code follows the style guidelines of this project
- [ ] I have performed a self-review of my own code
- [ ] I have commented my code, particularly in hard-to-understand areas
- [ ] I have made corresponding changes to the documentation
- [ ] My changes generate no new warnings
- [ ] I have added tests that provde my fix is effective or that my feature works
- [ ] New and existing unit tests pass locally with my changes
- [ ] Any dependent changes have been merged and published in downstream modules

Reviewed-on: https://gitea.vylpes.xyz/External/card-drop/pulls/209
Reviewed-by: VylpesTester <tester@vylpes.com>
Co-authored-by: Ethan Lane <ethan@vylpes.com>
Co-committed-by: Ethan Lane <ethan@vylpes.com>

database/0.6/1713289062969-user/Up/01-table/User.sql

@@ -0,0 +1,7 @@
+CREATE TABLE `user` (
+  `Id` varchar(255) NOT NULL,
+  `WhenCreated` datetime NOT NULL,
+  `WhenUpdated` datetime NOT NULL,
+  `Currency` int NOT NULL,
+  PRIMARY KEY (`Id`)
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci;

src/database/entities/app/User.ts

@@ -0,0 +1,19 @@
+import { Column, Entity } from "typeorm";
+import AppBaseEntity from "../../../contracts/AppBaseEntity";
+
+@Entity()
+export default class User extends AppBaseEntity {
+    constructor(userId: string, currency: number) {
+        super();
+
+        this.Id = userId;
+        this.Currency = currency;
+    }
+
+    @Column()
+        Currency: number;
+
+    public UpdateCurrency(currency: number) {
+        this.Currency = currency;
+    }
+}

src/database/migrations/app/0.6/1713289062969-user.ts

@@ -0,0 +1,15 @@
+import { MigrationInterface, QueryRunner } from "typeorm";
+import MigrationHelper from "../../../../helpers/MigrationHelper";
+
+export class User1713289062969 implements MigrationInterface {
+
+    public async up(queryRunner: QueryRunner): Promise<void> {
+        MigrationHelper.Up("1713289062969-user", "0.6", [
+            "01-table/User",
+        ], queryRunner);
+    }
+
+    public async down(): Promise<void> {
+    }
+
+}