Update description for scheduler type

Tested in terminal with command `hyp create hyp-pytorch-job --help` and can see new description

Author: zhaoqizqwang

doc/cli_training.md

@@ -40,7 +40,7 @@ hyp create hyp-pytorch-job [OPTIONS]
 - `--tasks-per-node INTEGER`: Number of tasks per node (minimum: 1)
 - `--label-selector OBJECT`: Node label selector as key-value pairs
 - `--deep-health-check-passed-nodes-only BOOLEAN`: Schedule pods only on nodes that passed deep health check (default: false)
-- `--scheduler-type TEXT`: Scheduler type
+- `--scheduler-type TEXT`: If specified, training job pod will be dispatched by specified scheduler. If not specified, the pod will be dispatched by default scheduler.
 - `--queue-name TEXT`: Queue name for job scheduling (1-63 characters, alphanumeric with hyphens)
 - `--priority TEXT`: Priority class for job scheduling
 - `--max-retry INTEGER`: Maximum number of job retries (minimum: 0)

hyperpod-pytorch-job-template/hyperpod_pytorch_job_template/v1_1/model.py

@@ -133,7 +133,7 @@ class PyTorchJobConfig(BaseModel):
     scheduler_type: Optional[str] = Field(
         default=None, 
         alias="scheduler_type", 
-        description="Scheduler type",
+        description="If specified, training job pod will be dispatched by specified scheduler. If not specified, the pod will be dispatched by default scheduler.",
         min_length=1
     )
     queue_name: Optional[str] = Field(

hyperpod-pytorch-job-template/hyperpod_pytorch_job_template/v1_1/schema.json

@@ -260,7 +260,7 @@
         }
       ],
       "default": null,
-      "description": "Scheduler type",
+      "description": "If specified, training job pod will be dispatched by specified scheduler. If not specified, the pod will be dispatched by default scheduler.",
       "title": "Scheduler Type"
     },
     "queue_name": {