is-biz-mail-dotnet v0.2.16

adding more domains to the blacklist

is-biz-mail-dotnet v0.2.15

adding the list of mixed known free, disposable addresses and free do…

is-biz-mail-dotnet v0.2.12

adding VS Code IDE support

is-biz-mail-dotnet v0.2.11

adding /assets folder as Git submodule, adapting tests etc