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/EquipmentEdit.tsx

@@ -1,4 +1,5 @@
 import { DateInput, Edit, SelectInput, SimpleForm, TextInput as RaTextInput } from 'react-admin';
+import { EquipmentAttachmentInput } from './EquipmentAttachmentInput';
 import { equipmentStatusChoices } from './shared';
 
 const equipmentLabels = {
@@ -18,6 +19,7 @@ export function EquipmentEdit() {
         <RaTextInput source="name" label={equipmentLabels.name} />
         <RaTextInput source="serialNumber" label={equipmentLabels.serialNumber} />
         <SelectInput source="status" label={equipmentLabels.status} choices={equipmentStatusChoices} />
+        <EquipmentAttachmentInput />
       </SimpleForm>
     </Edit>
   );