chore: update showcase README

Author: brandonkachen

showcase/README.md

@@ -10,8 +10,12 @@ Community showcase of projects built by Codebuff
 - [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
 - Minecraft simple - A basic version of Minecraft running in the browser!
+- Minecraft complex - A more complex version of Minecraft running in the browser!
 - Fishies - An aquarium with various fishies
 - Code Analysis - A project by [Lachlan Gray](https://github.com/LachlanGray) to show interesting stats on any Github repo
+- [Calendar On Air](https://gist.github.com/dhunten/7f88654f3972bfe0fc6d70a1b5fa024a/b2e2b25e788ca7a50c42f3a5a991f4b860e37306) - An app built with CircuitPython that pulls time and weather data + a user's calendar events from the internet and displays it on an LCD screen
+- [TDD Web Automation](https://github.com/ShAIWhisperer/tdd-web-automation) - A React-based web application demonstrating form automation testing using Playwright, uisng Test Driven Development (TDD)
+- [Vending Machine](https://github.com/ShAIWhisperer/vending-machine) - A fun little vending machine web and cli
 
 ## Vending Machine
 A showcase project demonstrating a modern vending machine interface with: