Add score too low

Author: steevanb

README.md

@@ -23,3 +23,5 @@ Benchmark | Tool | PHP | Score
 [Hello World](http://www.phpbenchmarks.com/en/benchmark/apache-bench/php-7.1/symfony-2.7.html) | Apache Bench | 7.1 | 11261
 [News](http://www.phpbenchmarks.com/en/benchmark/apache-bench/php-7.1/symfony-2.7.html) | Apache Bench | 7.1 | In progress
 [Rest API](http://www.phpbenchmarks.com/en/benchmark/apache-bench/php-7.1/symfony-2.7.html) | Apache Bench | 7.1 | 5978
+
+Scores are too low ? Do not hesitate to create a pull request, and ask a new benchmark !