Adding stub subsystem ExampleSubsystem

src/main/java/frc/robot/RobotContainer.java

@@ -6,9 +6,13 @@ package frc.robot;
 
 import edu.wpi.first.wpilibj2.command.Command;
 import edu.wpi.first.wpilibj2.command.Commands;
+import frc.robot.subsystems.ExampleSubsystem;
 
 public class RobotContainer {
+  private ExampleSubsystem example;
+
   public RobotContainer() {
+    example = new ExampleSubsystem();
     configureBindings();
   }
 

src/main/java/frc/robot/subsystems/ExampleSubsystem.java

@@ -0,0 +1,9 @@
+package frc.robot.subsystems;
+
+import edu.wpi.first.wpilibj2.command.SubsystemBase;
+
+public class ExampleSubsystem extends SubsystemBase {
+    public ExampleSubsystem() {
+        
+    }
+}