[docs] Locked example needed its usage examples moved

website/usageExamples/LockedExample_pre.jpage

@@ -0,0 +1,20 @@
+import lombok.Locked;
+
+public class LockedExample {
+	private int value = 0;
+	
+	@Locked.Read
+	public int getValue() {
+		return value;
+	}
+	
+	@Locked.Write
+	public void setValue(int newValue) {
+		value = newValue;
+	}
+	
+	@Locked("baseLock")
+	public void foo() {
+		System.out.println("bar");
+	}
+}