Deploy: test of required commands is done too late

Problem

The check for required commands is done after the deployment of keycloak and before the deployment of laboite.

I would prefer them at the top first thing to do.

Log of checking available commands

[…]
***********************************************************************
*                                                                     *
*                Keycloak.X Helm Chart by codecentric AG              *
*                                                                     *
***********************************************************************

Keycloak was installed with an Ingress and an be reached at the following URL(s):

  - https://auth.eole3.ac-test.fr/

================================================================================
Deployment finished
================================================================================


================================================================================
Prepare laboite deployment
================================================================================


================================================================================
Checking available commands
================================================================================

Command 'curl': FOUND
Command 'jq': FOUND
Command 'helm': FOUND
Command 'kubectl': FOUND
[…]