Merge pull request #5319 from jdef/patch-1

options: reserved extension range for CSI

docs/options.md

@@ -193,4 +193,7 @@ with info about your project (name and website) so we can add an entry for you.
    * Website: https://bitbucket.org/ooicgsn/cgsn-mooring
    * Extensions: 1058
    
+1. Container Storage Interface
+   * Website: https://github.com/container-storage-interface/spec
+   * Extensions: 1059-1069