Adding support to create plugins using and .NET CLR type and object

Adding Support to Use Any CLR Type as Plugin (#10)

* adding support to use any clr type as plugin

* moving to samples folder and updating build to do batch build

* update sample project to use .net 8

* cleanup readme

* adding default value sample

* adding section about samples to the readme

* switching to .net 8

* Updates README.md path in project file

Modifies the project file to include the relative path to README.md for packaging, ensuring correct inclusion during the build process.