Update and link BM-repo

Update the benchmark repo and link it in README.md Add vignette to show how running a script from the bm-repo works.

changed milestone to %public version v0.2

added docs examples labels

changed milestone to %ogs6 benchmarks on local machine

changed milestone to %public version v0.2

Mentioning BM-repo was done in commit f4e8a2c9.

closed