Instructions for checkout with submodule in README file

Check out the repository and the submodule:

$ git clone --recurse-submodules git@gricad-gitlab.univ-grenoble-alpes.fr:phelma/be-1a/template-kicad-be-1a-phelma-s1.git

assigned to @guerquim

created merge request !3 (merged) to address this issue

mentioned in merge request !3 (merged)

mentioned in commit 5e5eb848

closed with merge request !3 (merged)