[templates] Add SimulationInit()/SimulationPeriodic() to robot templates (#3943)

wpilibjExamples/src/main/java/edu/wpi/first/wpilibj/templates/commandbased/Robot.java

@@ -92,4 +92,12 @@ public class Robot extends TimedRobot {
   /** This function is called periodically during test mode. */
   @Override
   public void testPeriodic() {}
+
+  /** This function is called once when the robot is first started up. */
+  @Override
+  public void simulationInit() {}
+
+  /** This function is called periodically whilst in simulation. */
+  @Override
+  public void simulationPeriodic() {}
 }

wpilibjExamples/src/main/java/edu/wpi/first/wpilibj/templates/timed/Robot.java

@@ -95,4 +95,12 @@ public class Robot extends TimedRobot {
   /** This function is called periodically during test mode. */
   @Override
   public void testPeriodic() {}
+
+  /** This function is called once when the robot is first started up. */
+  @Override
+  public void simulationInit() {}
+
+  /** This function is called periodically whilst in simulation. */
+  @Override
+  public void simulationPeriodic() {}
 }

wpilibjExamples/src/main/java/edu/wpi/first/wpilibj/templates/timedskeleton/Robot.java

@@ -46,4 +46,10 @@ public class Robot extends TimedRobot {
 
   @Override
   public void testPeriodic() {}
+
+  @Override
+  public void simulationInit() {}
+
+  @Override
+  public void simulationPeriodic() {}
 }