docs: fix docs link in README (#104)

Co-authored-by: AntoninRousset <antonin@i-r-s.ch>

Author: AntoninRousset

README.md

@@ -23,7 +23,7 @@ pnpm i @tresjs/post-processing
 
 ## Docs
 
-Checkout the [docs](https://postprocessing.tresjs.org/)
+Checkout the [docs](https://post-processing.tresjs.org/)
 
 ## Demos