feat: add swagger docs for responses

packages/server/src/modules/Currencies/dtos/CurrencyResponse.dto.ts

@@ -0,0 +1,45 @@
+import { ApiProperty } from '@nestjs/swagger';
+
+export class CurrencyResponseDto {
+  @ApiProperty({
+    description: 'The unique identifier of the currency',
+    example: 1,
+  })
+  id: number;
+
+  @ApiProperty({
+    description: 'The name of the currency',
+    example: 'US Dollar',
+  })
+  currencyName: string;
+
+  @ApiProperty({
+    description: 'The code of the currency',
+    example: 'USD',
+  })
+  currencyCode: string;
+
+  @ApiProperty({
+    description: 'The sign/symbol of the currency',
+    example: '$',
+  })
+  currencySign: string;
+
+  @ApiProperty({
+    description: 'Whether this is the base currency for the organization',
+    example: true,
+  })
+  isBaseCurrency: boolean;
+
+  @ApiProperty({
+    description: 'The creation timestamp',
+    example: '2024-03-20T10:00:00Z',
+  })
+  createdAt: Date;
+
+  @ApiProperty({
+    description: 'The last update timestamp',
+    example: '2024-03-20T10:00:00Z',
+  })
+  updatedAt: Date;
+}