website: Add a link to the inst. execution from gem5 bootcamp Change-Id: Ib396b03632a2bbb10cf51843221c77380ec19872 Reviewed-on: https://gem5-review.googlesource.com/c/public/gem5-website/+/62054 Reviewed-by: Bobby Bruce <bbruce@ucdavis.edu> Tested-by: Bobby Bruce <bbruce@ucdavis.edu> Maintainer: Bobby Bruce <bbruce@ucdavis.edu>