Update CHANGELOG.md

Update changelog for beta-11

updated docs to beta-10

updated dotnet version in GA workflows

Merge pull request bUnit-dev#165 from egil/dev

beta-8

tag that points to first commit after rename of master branch to main

updated docs styling

Create CNAME

Beta 5.1 (bUnit-dev#44) - fixed bUnit-dev#43

* Fix for issue bUnit-dev#43
* Tweaks to tests

Added TreatWarningsAsErrors on release builds