Adding CS10 and CS11 code

CS10 - Basic Drivetrain/src/main/deploy/example.txt

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+Files placed in this directory will be deployed to the RoboRIO into the
+'deploy' directory in the home folder. Use the 'Filesystem.getDeployDirectory' wpilib function
+to get a proper path relative to the deploy directory.

CS10 - Basic Drivetrain/src/main/java/frc/robot/Main.java

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+// Copyright (c) FIRST and other WPILib contributors.
+// Open Source Software; you can modify and/or share it under the terms of
+// the WPILib BSD license file in the root directory of this project.
+
+package frc.robot;
+
+import edu.wpi.first.wpilibj.RobotBase;
+
+public final class Main {
+  private Main() {}
+
+  public static void main(String... args) {
+    RobotBase.startRobot(Robot::new);
+  }
+}

CS10 - Basic Drivetrain/src/main/java/frc/robot/Robot.java

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+// Copyright (c) FIRST and other WPILib contributors.
+// Open Source Software; you can modify and/or share it under the terms of
+// the WPILib BSD license file in the root directory of this project.
+
+package frc.robot;
+
+import edu.wpi.first.wpilibj.TimedRobot;
+import edu.wpi.first.wpilibj2.command.Command;
+import edu.wpi.first.wpilibj2.command.CommandScheduler;
+
+public class Robot extends TimedRobot {
+  private Command m_autonomousCommand;
+
+  private RobotContainer m_robotContainer;
+
+  @Override
+  public void robotInit() {
+    m_robotContainer = new RobotContainer();
+  }
+
+  @Override
+  public void robotPeriodic() {
+    CommandScheduler.getInstance().run();
+  }
+
+  @Override
+  public void disabledInit() {}
+
+  @Override
+  public void disabledPeriodic() {}
+
+  @Override
+  public void disabledExit() {}
+
+  @Override
+  public void autonomousInit() {
+    m_autonomousCommand = m_robotContainer.getAutonomousCommand();
+
+    if (m_autonomousCommand != null) {
+      m_autonomousCommand.schedule();
+    }
+  }
+
+  @Override
+  public void autonomousPeriodic() {}
+
+  @Override
+  public void autonomousExit() {}
+
+  @Override
+  public void teleopInit() {
+    if (m_autonomousCommand != null) {
+      m_autonomousCommand.cancel();
+    }
+  }
+
+  @Override
+  public void teleopPeriodic() {}
+
+  @Override
+  public void teleopExit() {}
+
+  @Override
+  public void testInit() {
+    CommandScheduler.getInstance().cancelAll();
+  }
+
+  @Override
+  public void testPeriodic() {}
+
+  @Override
+  public void testExit() {}
+}

CS10 - Basic Drivetrain/src/main/java/frc/robot/RobotContainer.java

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+// Copyright (c) FIRST and other WPILib contributors.
+// Open Source Software; you can modify and/or share it under the terms of
+// the WPILib BSD license file in the root directory of this project.
+
+package frc.robot;
+
+import edu.wpi.first.wpilibj2.command.Command;
+import edu.wpi.first.wpilibj2.command.button.CommandXboxController;
+import frc.robot.constants.OIConstants;
+import frc.robot.subsystems.Drivetrain;
+
+public class RobotContainer {
+  private Drivetrain drivetrain;
+
+  private CommandXboxController driver;
+
+  public RobotContainer() {
+    drivetrain = new Drivetrain();
+
+    driver = new CommandXboxController(OIConstants.kDriverUSB);
+
+    configureBindings();
+  }
+
+  private void configureBindings() {
+    drivetrain.setDefaultCommand(
+      drivetrain.driveArcade(
+        driver::getLeftY, 
+        driver::getLeftX
+      )
+    );
+  }
+
+  public Command getAutonomousCommand() {
+    return drivetrain.driveTank(() -> .4, () -> -.4);
+  }
+}

CS10 - Basic Drivetrain/src/main/java/frc/robot/constants/DrivetrainConstants.java

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+package frc.robot.constants;
+
+public class DrivetrainConstants {
+    public static final int kLeftFrontPWM = 0;
+    public static final int kLeftRearPWM = 1;
+    public static final int kRightFrontPWM = 2;
+    public static final int kRightRearPWM = 3;
+}

CS10 - Basic Drivetrain/src/main/java/frc/robot/constants/OIConstants.java

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+package frc.robot.constants;
+
+public class OIConstants {
+    public static final int kDriverUSB = 0;
+}

CS10 - Basic Drivetrain/src/main/java/frc/robot/subsystems/Drivetrain.java

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+package frc.robot.subsystems;
+
+import java.util.function.DoubleSupplier;
+
+import edu.wpi.first.wpilibj.drive.DifferentialDrive;
+import edu.wpi.first.wpilibj.motorcontrol.VictorSP;
+import edu.wpi.first.wpilibj2.command.Command;
+import edu.wpi.first.wpilibj2.command.SubsystemBase;
+import frc.robot.constants.DrivetrainConstants;
+
+public class Drivetrain extends SubsystemBase {
+    private VictorSP leftFront;
+    private VictorSP leftRear;
+    private VictorSP rightFront;
+    private VictorSP rightRear;
+
+    private DifferentialDrive drive;
+
+    public Drivetrain() {
+        leftFront = new VictorSP(DrivetrainConstants.kLeftFrontPWM);
+        leftRear = new VictorSP(DrivetrainConstants.kLeftRearPWM);
+        rightFront = new VictorSP(DrivetrainConstants.kRightFrontPWM);
+        rightRear = new VictorSP(DrivetrainConstants.kRightRearPWM);
+
+        leftFront.addFollower(leftRear);
+        rightFront.addFollower(rightRear);
+        rightFront.setInverted(true);
+
+        drive = new DifferentialDrive(leftFront, rightFront);
+    }
+
+    public Command driveArcade(DoubleSupplier xSpeed, DoubleSupplier zRotation) {
+        return run(() -> {
+            drive.arcadeDrive(xSpeed.getAsDouble(), zRotation.getAsDouble());
+        });
+    }
+
+    public Command driveTank(DoubleSupplier leftSpeed, DoubleSupplier rightSpeed) {
+        return run(() -> {
+            drive.tankDrive(leftSpeed.getAsDouble(), rightSpeed.getAsDouble());
+        });
+    }
+}