Fixed bug described in issue #3

> Now the speedometer (and debug screen) is hidden when f1(no gui) is toggled

common/src/main/java/me/zacharias/speedometer/Client.java

@@ -128,6 +128,7 @@ public class Client {
 
   private static void render(GuiGraphics graphics, DeltaTracker deltaTracker) {
     if(Minecraft.getInstance().player == null) return;
+    if(Minecraft.getInstance().options.hideGui) return;
     Entity entity = Minecraft.getInstance().player.getRootVehicle();
 
     Vec3 vec = new Vec3(