Add v0.16.1.0 release notes (#3805)

* Archive v0.16.0.1 release notes

* Add v0.16.1.0 release notes

* doc: Some restructuring to GUI changes in release-nodes.md

* Some fixes suggested by thephez

* Apply suggestions from code review

Co-authored-by: PastaPastaPasta <[email protected]>

Co-authored-by: xdustinface <[email protected]>
Co-authored-by: PastaPastaPasta <[email protected]>

Author: 3 people