What are these icons and how to make them?

Question

GitHub

There are images or the like in some repositories .
How to make the same to your repository?

Answer 1

What are these icons

these are icons from CI systems and the like.

How to make the same to your repository?

connect such a system to your repository. for
example :
https://github.com/integrations/code-climate
https://docs.travis-ci.com/user/status-images/