client: lib_docker: add CLI version for all platforms

Prints meaningful output of all dependencies and their respective versions.

client/src/docker/lib/lib_docker.bash

@@ -309,4 +309,14 @@ function lib_docker::doxygen()
   lib_utils::catch $?
 }
 
+#
+# Prints `docker-finance` version (and dependencies' version)
+#
+
+function lib_docker::version()
+{
+  lib_docker::__version "$@"
+  lib_utils::catch $?
+}
+
 # vim: sw=2 sts=2 si ai et