Add a Contributing section to the README

[mads-hartmann]

Description

Created a new Contributing section in the README. For now I just added the section on how to create a new release. In the future we could add common workflows etc.

Related Issue(s)

No issue

How to test

N/A

Release Notes

NONE

Documentation

N/A

[werft-gitpod-dev-com[bot]]

cannot start job - please talk to whoever's in charge of your Werft installation

[codecov[bot]]

Codecov Report

Merging #147 (58dd492) into main (a48044c) will not change coverage. The diff coverage is n/a.

@@          Coverage Diff          @@
##            main    #147   +/-   ##
=====================================
  Coverage   9.01%   9.01%           
=====================================
  Files         20      20           
  Lines       3162    3162           
=====================================
  Hits         285     285           
  Misses      2825    2825           
  Partials      52      52