Update README.md

Author: lassoan

README.md

@@ -1,8 +1,11 @@
 # PlusBuild
-CMake scripts for building Plus library, applications, and all required dependencies
+This project contains CMake scripts for building Plus library, applications, and all required dependencies.
+
+# Documentation
 
 - [Windows build instructions](Docs/BuildInstructionsWindows.md)
 - [Linux/Mac build instructions](Docs/BuildInstructionsLinux.md)
+- [New release checklist](Docs/NewReleaseChecklist.md)
 
 ## Issues
 Submit issues [here](https://github.com/PlusToolkit/PlusLib/issues).