add a call to action about where to go with questions/suggestions/get…

…ting involved

For now we can just add comments, but I think clarifying where folks should go with additional ideas after we merge these roadmaps will help direct contributors to the right place.

WG_PROJECT.md

@@ -87,3 +87,7 @@ The major goals below and following milestones have been labeled with the emoji
 - Q2
 - Q3
 - Q4
+
+## ⁉️ Want to get involved?
+- File an issue here with questions, or make a PR to suggest an alternate path
+- Want to help make this happen? [Open an issue on the Project Working Group repo!](https://github.com/ipfs/project/issues)