Tags

Replace default stage `deploy to production` by `deploy` (default available on all GItLab installation)

Enable stage and environment as inputs.

- Include a link to a custom script model to set up en vars
- Add clever link and clever deploy commands to custom script in documentation

Fix: app-name as input and clean up pipeline dependencies.

Doc: update troubleshooting section and explain workflow logic on MR.

Merge Request pipeline with: 
- create job
- update job
- delete job