Make `EESSI-extend` support accelerator installations #94

Job	Run time
eessi_container_script (container)	2m 35s
eessi_container_script (help)	1m 37s
eessi_container_script (shell)	2m 57s
eessi_container_script (resume)	2m 10s
eessi_container_script (listrepos_default)	2m 21s
eessi_container_script (run)	2m 23s
eessi_container_script (listrepos_custom)	1m 19s
eessi_container_script (unionfs)	2m 37s
	17m 59s

Provide feedback