Rename samples.yml to stack.yml
Rename samples.yml to stack.yml

Keeping documentation up to date
rgee0/faas,alexellis/faas,openfaas/faas,rgee0/faas,alexellis/faas,alexellis/faas,alexellis/faas,rgee0/faas,alexellis/faas,openfaas/faas,alexellis/faas,rgee0/faas,alexellis/faas,rgee0/faas,rgee0/faas,rgee0/faas,rgee0/faas,openfaas/faas,alexellis/faas,alexellis/faas,rgee0/faas,rgee0/faas