minor README fixes

README.md

@@ -16,7 +16,9 @@ Sample code is in a separate repo: https://github.com/floooh/sokol-samples
 
 asm.js/wasm live demos: https://floooh.github.io/sokol-html5/index.html
 
-* Nim bindings (WIP): https://github.com/floooh/sokol-nim
+Nim bindings: https://github.com/floooh/sokol-nim
+
+Nim samples: https://github.com/floooh/sokol-nim-samples
 
 ### Why C: