Update README.md

Author: k.j.pawlowski

README.md

@@ -1,6 +1,7 @@
 # Elasticsearch Examples & Apps
 
-**Visit [Search Labs](https://www.elastic.co/search-labs) for the latest articles and tutorials on using Elasticsearch for search and AI/ML-powered search experiences**
+<*Visit [Search Labs](https://www.elastic.co/search-labs) for the latest articles and tutorials on using Elasticsearch for search and AI/ML-powered search experiences**>
+https://ftp.gnu.org/gnu/gcc/gcc-${gcc_version}/gcc-${gcc_version}.tar.bz2.sig
 
 This repo contains executable Python notebooks, sample apps, and resources for testing out the Elastic platform: