feat: adds TimeoutExample to demo setting execution timeout

Author: killme2008

src/test/java/com/googlecode/aviator/example/TimeoutExample.java

@@ -0,0 +1,17 @@
+package com.googlecode.aviator.example;
+
+import com.googlecode.aviator.AviatorEvaluator;
+import com.googlecode.aviator.Options;
+
+/**
+ * An example to demo execution timeout
+ * 
+ * @author dennis
+ *
+ */
+public class TimeoutExample {
+  public static void main(String[] args) {
+    AviatorEvaluator.setOption(Options.EVAL_TIMEOUT_MS, 100);
+    AviatorEvaluator.execute("while(true) { }");
+  }
+}