PdfiumCore 1.0.0.2

The goals of this project are:

• Cleanup\reorganize project code
• Remove System.Windows.Forms dependency
• Compile in .net 5 \ .net core 3.1
• Fix bugs in the original implementation (like AccessViolationException, etc)

The scope of this project is to consume this lib to print pdf through SpoolName (not to EDIT pdfs!)