SUMO-181080 Adding validation for name field

Author: tarunk2

sumologic/resource_sumologic_monitors_library_monitor.go

@@ -329,8 +329,9 @@ func resourceSumologicMonitorsLibraryMonitor() *schema.Resource {
 			},
 
 			"name": {
-				Type:     schema.TypeString,
-				Required: true,
+				Type:         schema.TypeString,
+				Required:     true,
+				ValidateFunc: validation.StringMatch(regexp.MustCompile(`^[^\ ].*[^\ ]$`), "Name must not contain leading or trailing spaces"),
 			},
 
 			"post_request_map": {