Mark the repo as a template

[sa-tasche]

Is your feature request related to a problem? Please describe.
The README states that this is a template, but it is not marked as such.

Describe the solution you'd like
Mark this repository as a template.

Describe alternatives you've considered
None.

Additional context
Not applicable.

[abose]

This repo is not a template, the reademe was copied from rgw template and never changed. See template-nodejs repo in this org for template