Added Comment

server/src/machines/buffer1/api.rs

@@ -164,6 +164,7 @@ impl MachineApi for BufferV1 {
             Mutation::DisconnectMachine(machine_identification_unique) => {
                 self.disconnect_winder(machine_identification_unique);
             }
+            // Puller Mutations
             Mutation::SetCurrentInputSpeed(speed) => self.set_current_input_speed(speed),
             Mutation::SetPullerRegulationMode(regulation) => self.puller_set_regulation(regulation),
             Mutation::SetPullerTargetSpeed(value) => self.puller_set_target_speed(value),