docs: fix up indentation and getting_started href
docs: fix up indentation and getting_started href

willu47/smif,tomalrussell/smif,nismod/smif,willu47/smif,willu47/smif,tomalrussell/smif,tomalrussell/smif,nismod/smif,nismod/smif,nismod/smif,willu47/smif,tomalrussell/smif