Update download links

Author: th-otto

README.md

@@ -1,3 +1,5 @@
 [![Build Status](https://github.com/freemint/cflib/actions/workflows/build.yml/badge.svg?branch=master)](https://github.com/freemint/cflib/actions) 
 
-Latest snapshot: [Download](https://tho-otto.de/snapshots/cflib/cflib-latest.tar.bz2)
+* Latest snapshot: [Download (mint)](https://tho-otto.de/snapshots/cflib/cflib-mint-latest.tar.bz2)
+* Latest snapshot: [Download (mintelf)](https://tho-otto.de/snapshots/cflib/cflib-mintelf-latest.tar.bz2)
+* [Archive](https://tho-otto.de/snapshots/cflib/)