Fix formatting of k8s-SD config docs
Fix formatting of k8s-SD config docs

The redcarpet markdown renderer interprets the newlines within bulleted
lists in a different way than GitHub, so the layout is currently broken.

Cepave/openfalcon.io,chosenken/docs,ddfreyne/prometheus-docs,du2016/prometheus-docs,ddfreyne/prometheus-docs,du2016/prometheus-docs,prometheus/docs,ddfreyne/prometheus-docs,ddfreyne/prometheus-docs,Cepave/openfalcon.io,chosenken/docs,open-falcon/open-falcon.github.io,prometheus/docs,open-falcon/open-falcon.github.io,prometheus/docs,du2016/prometheus-docs,open-falcon/open-falcon.github.io,chosenken/docs,Cepave/openfalcon.io,chosenken/docs