Merge pull request #12 from JayBrown/patch-2

add link to cli in readme

Author: victorb

README.md

@@ -6,3 +6,5 @@ A small little utility website for checking if some public gateways are still up
 NOTE: All of these (except gateway.ipfs.io and ipfs.io) are hosted by third-parties and should be treated as such.
 
 You can view the website via Github Pages: https://ipfs.github.io/public-gateway-checker/
+
+A CLI version `ipfg` is available here: https://github.com/JayBrown/Tools/tree/master/ipfg