add .vscode/ to gitignore
add .vscode/ to gitignore

I personally dev on vscode and I have some preferences to save when it
comes to running the python unit tests. So escaping this directory is
actually useful.

Signed-off-by: Sébastien Han <62d754cc350e84d3b1c32ae79f976f5348e74a40@redhat.com>
(cherry picked from commit 3c4319ca4b5355d69b2925e916420f86d29ee524)
Signed-off-by: Sébastien Han <62d754cc350e84d3b1c32ae79f976f5348e74a40@redhat.com>

fgal/ceph-ansible,fgal/ceph-ansible