Add typechecking to CI

Author: jakeboone02

.github/workflows/main.yml

@@ -3,10 +3,11 @@ on: [push, pull_request, workflow_dispatch]
 
 jobs:
   build:
-    name: Build
+    name: Build and Typecheck
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
       - uses: oven-sh/setup-bun@v1
       - run: bun install --frozen-lockfile
+      - run: bunx tsc --noEmit
       - run: bun --bun run build