fix brandedoutcast#31 remove nupkg deletion before dotnet pack

fix brandedoutcast#30 & partially removed 2.4.0 changes due to bugs w…

…ith nuget

add custom nuget feed support & set outputs

publish symbols & fail on any nuget push errors

fixes brandedoutcast#26
fixes brandedoutcast#27

log info to help understand the mis-configurations & stages of action

Add VERSION_STATIC for external version resolution

External version resolution (brandedoutcast#17)

fix brandedoutcast#15 by choosing the appropriate package to be pushed

fix Rebel028#13 with an explicit build before pack

add support for custom NuGet package name

* Add ability to specify PACKAGE_NAME (Rebel028#12)
* Add package name capabilities

add better support & control for versions & tags

Fixes Rebel028#8 & Rebel028#9