fix(build): fetching of latest npm version could fail

feat(ci): add GitHub action workflows for tests and release

- download used NSIS plugins before build and use them from that local folder
- raise minimum node version (needed for building and using nodist) to 12

Fix deprecated use of Tar.Extract in npm.js, release 0.9.1

Build and test fixes. Tag for 0.9.0

Version 0.8.7

Version 0.8.6

Version 0.8.5

Version 0.8.4

Version 0.8.3