added relevant comment

Author: sireeshajonnalagadda

src/docker-in-docker/install.sh

@@ -341,6 +341,7 @@ if [ "${USE_MOBY}" = "true" ]; then
     fi
 fi
 
+#function is used to install docker or moby for fedora if moby is true and docker is not available in a specific versions of fedora
 install_docker_or_moby() {
 # Check for the OS type
 if [ -f /etc/os-release ]; then