Initialize directories before docker compose up

Signed-off-by: Victor Chang <vicchang@nvidia.com>

Author: mocsharp

.github/workflows/test-monai-deploy-express.yml

@@ -24,7 +24,9 @@ jobs:
 
       - name: Start MONAI Deploy Express
         working-directory: ./deploy/monai-deploy-express
-        run: docker compose up --wait
+        run: |
+        ./init.sh
+        docker compose up --wait
 
       - name: Informatics Gateway Health Check
         continue-on-error: true