[Feature] only show html placeholder hint when html is added
[Feature] only show html placeholder hint when html is added

closes #54

OpenSourceWorkflow/generator-kickstart,webit-de/generator-kickstart,markusfalk/generator-kickstart,OpenSourceWorkflow/generator-kickstart,markusfalk/generator-kickstart,OpenSourceWorkflow/generator-kickstart,markusfalk/generator-kickstart,webit-de/generator-kickstart