fix: Notebook URl (#52)

Author: sbernauer

docs/modules/demos/pages/jupyterhub-pyspark-hdfs-anomaly-detection-taxi-data.adoc

@@ -110,6 +110,8 @@ JupyterHub will create a Pod for each active user. In order to reach the Jupyter
 $ kubectl port-forward service/proxy-public 8080:http
 ----
 
+WARNING: Use the `proxy-public` service and not something else!
+
 Now access the JupyterHub web interface via http://localhost:8080
 
 You should see the JupyterHub login page.

stacks/_templates/jupyterhub.yaml

@@ -50,7 +50,7 @@ options:
     initContainers:
       - name: download-notebook
         image: docker.stackable.tech/stackable/tools:1.0.0-stackable24.3.0
-        command: ['sh', '-c', 'curl https://raw.githubusercontent.com/stackabletech/demos/wip/release-24.3-nick/stacks/jupyterhub-pyspark-hdfs/notebook.ipynb -o /notebook/notebook.ipynb']
+        command: ['sh', '-c', 'curl https://raw.githubusercontent.com/stackabletech/demos/main/stacks/jupyterhub-pyspark-hdfs/notebook.ipynb -o /notebook/notebook.ipynb']
         volumeMounts:
           - mountPath: /notebook
             name: notebook