monitor: add log include location option on monitor CLI and API (#18795)

client/structs/structs.go

@@ -45,6 +45,11 @@ type MonitorRequest struct {
 	// LogJSON specifies if log format should be unstructured or json
 	LogJSON bool
 
+	// LogIncludeLocation dictates whether the logger includes file and line
+	// information on each log line. This is useful for Nomad development and
+	// debugging.
+	LogIncludeLocation bool
+
 	// NodeID is the node we want to track the logs of
 	NodeID string