Add support for `first-timers-only` initiative

[matthewhudson]

See firsttimersonly.com.

This could serve as a good forcing function towards improving our contribution guidelines, documentation, and making our community more welcoming to newbies.

[amrut07]

Hi @matthewhudson , I want to start my contribution to open source project, thus need some initial guidance from your end. How can I contribute here?

[matthewhudson]

Howdy @amrut07!

We have some issues tagged as good issues for first time contributors to this project. Are any of those interesting to you?

If you email me at [email protected] I can help you along the way. You can join us on https://spectrum.chat/open-microservices?tab=posts as well :)