Request to add app to Awesome Markwon section

[damionx7]

Please provide the following:

• Project name : Zettel Notes
• Project URL (repository, store listing, web page) : https://play.google.com/store/apps/details?id=org.eu.thedoc.zettelnotes
• https://znotes.thedoc.eu.org/

Please make sure that there is the awesome label selected for this issue.

🙌