Setup the repo readme

Author: andreise

README.md

@@ -1,4 +1,8 @@
-# PrimeFuncPack Core - A Functional Programming Framework for .NET
+# PrimeFuncPack Core.Func
+
+PrimeFuncPack Core.Func is a core library set for .NET consisting of functional interfaces (SAM interfaces) and the extensions targeted for use in functional programming.
+There are both asynchronous (Task and ValueTask based) and synchronous interfaces and the extensions in the set - IAsyncFunc/IAsyncValueFunc and IFunc.
+The Core.Func is shipped as a part of PrimeFuncPack Core - a functional programming framework for .NET
 
 PrimeFuncPack Core is a functional programming pack for .NET consisting of the fundamentals:
 - Optional and Result monads, Failure type, Tagged Union, and Unit type;