Add documentation for Docker usage #212

Job	Run time
Prepare Build (windows-latest)	2m 22s
Prepare Build (ubuntu-latest)	25s
Prepare Build (macos-latest)	44s
Build code & Package (windows-latest)	5m 7s
Build code & Package (ubuntu-latest)	2m 29s
Build code & Package (macos-latest)	3m 27s
Unit Test code (windows-latest, net48)	6m 15s
Unit Test code (windows-latest, net5.0)	7m 34s
Unit Test code (windows-latest, net6.0)	7m 52s
Unit Test code (windows-latest, netcoreapp3.1)	7m 11s
Unit Test code (ubuntu-latest, net5.0)	3m 16s
Unit Test code (ubuntu-latest, net6.0)	2m 59s
Unit Test code (ubuntu-latest, netcoreapp3.1)	3m 9s
Unit Test code (macos-latest, net5.0)	8m 20s
Unit Test code (macos-latest, net6.0)	8m 8s
Unit Test code (macos-latest, netcoreapp3.1)	3m 50s
Build, Test and Publish Docker Images	0s
Test artifacts on windows	0s
Test artifacts in docker	0s
Publish	0s
Release	0s
	1h 13m 8s

Provide feedback