Migrate main meet app to use UV for dependancy management.
Also optimized the backend image build sequence for faster rebuilds
when dependencies don't change.
Also removed compiled django translations files are they are done in the build
process now.
Changes inspired by drive repo.
We will introduce in the next commits the compose set-up that also
require examples values/config files. Thus, re-organize the kube ones
to dedicated folder, to make the files organisation extensible.
Use the common create_cluster.sh in order to improve cooperation
between teams.
Also, mount extra volume, to avoid setting ssl_verify to false,
while using request module in Python.
Florent Chehab