Update Project Board link to the Open Home Foundation one (#118)

Author: jlpouffier

README.md

@@ -101,7 +101,7 @@ The Open Home Foundation manages roadmap opportunities through this structured p
 
 ## 🎯 Current Roadmap
 
-View our active roadmap opportunities and their progress on our [Project Board](https://github.com/orgs/home-assistant/projects/29).
+View our active roadmap opportunities and their progress on our [Project Board](https://ohf.to/roadmap).
 
 ## 💬 Get involved