Create hopper full command🦟™️ (#36)

* made it check if hopper full but not do anything🦟™️

* created empty command for later🦟™️

src/main/java/frc/robot/commands/FullHopper.java

@@ -0,0 +1,41 @@
+// 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.commands;
+
+import edu.wpi.first.wpilibj2.command.Command;
+import frc.robot.subsystems.Hopper;
+
+public class FullHopper extends Command {
+  /** Creates a new FullHopper. */
+  Hopper subHopper;
+
+  public FullHopper(Hopper subHopper) {
+    // Use addRequirements() here to declare subsystem dependencies.
+    this.subHopper = subHopper;
+
+  }
+
+  // Called when the command is initially scheduled.
+  @Override
+  public void initialize() {
+  }
+
+  // Called every time the scheduler runs while the command is scheduled.
+  @Override
+  public void execute() {
+
+  }
+
+  // Called once the command ends or is interrupted.
+  @Override
+  public void end(boolean interrupted) {
+  }
+
+  // Returns true when the command should end.
+  @Override
+  public boolean isFinished() {
+    return true;
+  }
+}