Development to testing

src/faction/faction.dto.ts

@@ -8,6 +8,7 @@ import {
   Min,
   Max,
   IsOptional,
+  IsHexColor,
 } from 'class-validator';
 
 import { GameEntity } from '../game/game.entity';
@@ -23,6 +24,8 @@ export class FactionDTO {
   @IsNotEmpty()
   @Length(2, 31)
   factionName: string;
+  @IsHexColor()
+  colour: string;
   @IsString()
   @IsNotEmpty()
   @Length(3, 15)