[Feature Request] Setup CI

[HLWeil]

Successful building of the library is an absolute minimum criterion for all changes pushed to this repository. To ensure this CI should be added.

Building and testing similar to the one performed in BioFSharp

[HLWeil]

Merged #39 despite it failing atm. The windows build runs fine and will be a better indicator of build success compared to the previous nothing. Building locally in Ubuntu 20.04 LTS worked fine and the linux build steps also run fine in the CI, only failing at the runTests step because of the test project not being able to load the built ISADotNet library correctly:

Error: /home/runner/work/ISADotNet/ISADotNet/tests/ISADotNet.Tests/ISADotnet/JsonExtensionsTests.fs(15,7): error FS0039: The type 'AnyOf' is not defined. Maybe you want one of the following:�   AnyOfType [/home/runner/work/ISADotNet/ISADotNet/tests/ISADotNet.Tests/ISADotNet.Tests.fsproj]