Add Blinken LED functionality

src/main/java/frc4388/robot/commands/setLEDPattern.java

@@ -0,0 +1,51 @@
+/*----------------------------------------------------------------------------*/
+/* Copyright (c) 2018 FIRST. All Rights Reserved.                             */
+/* Open Source Software - may be modified and shared by FRC teams. The code   */
+/* must be accompanied by the FIRST BSD license file in the root directory of */
+/* the project.                                                               */
+/*----------------------------------------------------------------------------*/
+
+package frc4388.robot.commands;
+
+import frc4388.robot.Robot;
+import frc4388.robot.constants.LEDPatterns;
+
+import edu.wpi.first.wpilibj.command.Command;
+
+public class setLEDPattern extends Command {
+
+  LEDPatterns pattern;
+
+  public setLEDPattern(LEDPatterns pattern) {
+    requires(Robot.led);
+    this.pattern = pattern;
+  }
+
+  // Called just before this Command runs the first time
+  @Override
+  protected void initialize() {
+  }
+
+  // Called repeatedly when this Command is scheduled to run
+  @Override
+  protected void execute() {
+    Robot.led.setPattern(pattern);
+  }
+
+  // Make this return true when this Command no longer needs to run execute()
+  @Override
+  protected boolean isFinished() {
+    return true;
+  }
+
+  // Called once after isFinished returns true
+  @Override
+  protected void end() {
+  }
+
+  // Called when another command which requires one or more of the same
+  // subsystems is scheduled to run
+  @Override
+  protected void interrupted() {
+  }
+}