fix: add health check wait to ansible deploy

Wait for Streamlit to be ready before finishing deployment to prevent 502 errors

ansible/deploy.yaml

@@ -57,3 +57,11 @@
       ansible.builtin.shell:
         cmd: nohup /home/webapps/.local/bin/uv run streamlit run Home.py --server.port=8501 --server.address=0.0.0.0 --server.headless=true --server.enableCORS=false &
         chdir: ~/motief
+
+    - name: wait for streamlit to be ready
+      ansible.builtin.uri:
+        url: http://127.0.0.1:8501/_stcore/health
+        method: GET
+        status_code: 200
+      retries: 30
+      delay: 2