Add codebuff-tricks as submodule in showcase

Author: brandonkachen

.gitmodules

@@ -10,3 +10,6 @@
 [submodule "showcase/maze-gen"]
 	path = showcase/maze-gen
 	url = https://github.com/narthur/maze-gen
+[submodule "showcase/codebuff-tricks"]
+	path = showcase/codebuff-tricks
+	url = https://github.com/narthur/codebuff-tricks

showcase/README.md

@@ -7,6 +7,7 @@ Community showcase of projects built by Codebuff
 - [Game of Life](https://github.com/narthur/game-of-life) - Conway's Game of Life implementation with TypeScript
 - [Bayes](https://github.com/narthur/bayes) - A web application for applying Bayesian reasoning to everyday life
 - [Maze Generator](https://github.com/narthur/maze-gen) - A maze generation visualization built with TypeScript
+- [Codebuff Tricks](https://github.com/narthur/codebuff-tricks) - A community-built wizard to help you set up new projects with Codebuff
 
 ## Cloning