Update seahorse-community.md

docs/introduction/seahorse-community.md

@@ -4,11 +4,10 @@ Be sure to check out Seahorse's community and community-made projects!
 
 Official Seahorse links:
 
-* [Twitter](https://twitter.com/seahorse\_lang)
+* [Discord](https://discord.gg/aCbFnhfj)
 
 Community tutorials and resources:
 
 * [Seahorse Cookbook](https://www.seahorsecookbook.com), an aggregate of community-made programs and tutorials
-* [Seahorse Instagrants on Superteam](https://superteam.fun/instagrants/seahorse-language-grants), a fast way to get funded for your Seahorse projects
-
-\
+* [Seahorse University](https://seahorse.university/), a learning path for new Solana program developers
+* [Learn Seahorse](https://blog.learnseahorse.com/), Seahorse tutorials