A simple descriptor that uses a native charm to launch a clean
Ubuntu base image and layer a graphical desktop environment
and RDP server on top.

Signed-off-by: beierlm <mark.beierl@canonical.com>

Changes the charm from relying on a prepackaged image to
building srsue and srsenb from tagged source.
Updates the descriptor to use generic name for relation.

Signed-off-by: beierlm <mark.beierl@canonical.com>

This commit adds a new package with a Native K8s
Charm and Actions. This package will be used for
a future Robot test which will test actions on
K8s.

Signed-off-by: Dominik Fleischmann <dominik.fleischmann@canonical.com>