Added APIs to list and delete summarizer jobs. Also added a new details response field to Summarizer file retrieval APIs, providing additional information when retrieving summarizer job files.

New Summarizer job management APIs and expanded summarizer file response details


## Added
- New **Summarizer** APIs:
	- `DELETE /v2/aiservices/summarizer/jobs/{jobId}`
	- `GET /v2/aiservices/summarizer/jobs`
## Enhancements
- New `details` response field in the following  **Summarizer** APIs:
	- `GET /v2/aiservices/summarizer/jobs/{jobId}/files/{fileId}`
	- `GET /v2/aiservices/summarizer/jobs/{jobId}/files`
