Use https by default

See merge request !11

Build Icon creates a file called icon_environment.env which can be sourced to set up the proper environment to run icon.

Adding additional files to make creation of experiments easier

See merge request !10

Use autosubmit expid -repo instead of rewriting the minimal.yml file.

Build only

See merge request !9

add an entry to load general packages from the module system at the very beginning of jobs, e.g. to load git