feat(WHE-27): add drizzle db package and typed env config

.github/workflows/ci.yml

@@ -29,6 +29,7 @@ jobs:
           - typecheck
           - test
           - build
+          - db-check
 
     steps:
       - name: Checkout
@@ -70,6 +71,9 @@ jobs:
             build)
               bun run build
               ;;
+            db-check)
+              bun run db:check
+              ;;
             *)
               echo "Unknown task: ${{ matrix.task }}"
               exit 1