Add file attachment functionality for equipment management

- Introduced DTO for file attachments with metadata (objectKey, originalFileName, contentType, sizeBytes, downloadUrl).
- Updated Equipment DTO to include an optional attachment field.
- Implemented endpoints for uploading and deleting equipment attachments.
- Enhanced Equipment service to handle file storage and retrieval using S3.
- Updated EquipmentEdit, EquipmentList, and EquipmentShow components to support file attachment input and display.
- Configured S3 settings in docker-compose and environment files.

client/src/resources/equipment/EquipmentShow.tsx

@@ -1,4 +1,4 @@
-import { DateField, SelectField, Show, SimpleShowLayout, TextField } from 'react-admin';
+import { DateField, FunctionField, SelectField, Show, SimpleShowLayout, TextField } from 'react-admin';
 import { equipmentStatusChoices } from './shared';
 
 export function EquipmentShow() {
@@ -11,6 +11,18 @@ export function EquipmentShow() {
         <DateField source="dateOfInspection" />
         <DateField source="commissionedAt" />
         <SelectField source="status" choices={equipmentStatusChoices} />
+        <FunctionField
+          label="Вложение"
+          render={(record: { attachment?: { downloadUrl?: string | null; originalFileName?: string | null } | null }) =>
+            record?.attachment?.downloadUrl ? (
+              <a href={record.attachment.downloadUrl} target="_blank" rel="noreferrer">
+                {record.attachment.originalFileName || 'Скачать'}
+              </a>
+            ) : (
+              '—'
+            )
+          }
+        />
       </SimpleShowLayout>
     </Show>
   );