Change stacks/demos from local files to remote

Author: labrenbe

demos/demos-v2.yaml

@@ -301,7 +301,7 @@ demos:
       - jupyterlab
       - semantic-search
     manifests:
-      - plainYaml: ./demos/opensearch-rag/load-embeddings-from-git.yaml
+      - plainYaml: https://raw.githubusercontent.com/stackabletech/demos/main/demos/opensearch-rag/load-embeddings-from-git.yaml
     supportedNamespaces: []
     resourceRequests:
       cpu: 8000m

stacks/stacks-v2.yaml

@@ -706,9 +706,9 @@ stacks:
       - ai
       - llm
     manifests:
-      - plainYaml: ./stacks/opensearch-rag/opensearch.yaml
-      - plainYaml: ./stacks/opensearch-rag/ollama.yaml
-      - plainYaml: ./stacks/opensearch-rag/jupyterlab.yaml
+      - plainYaml: https://raw.githubusercontent.com/stackabletech/demos/main/stacks/opensearch-rag/opensearch.yaml
+      - plainYaml: https://raw.githubusercontent.com/stackabletech/demos/main/stacks/opensearch-rag/ollama.yaml
+      - plainYaml: https://raw.githubusercontent.com/stackabletech/demos/main/stacks/opensearch-rag/jupyterlab.yaml
       - helmChart: https://raw.githubusercontent.com/stackabletech/demos/main/stacks/_templates/opensearch-dashboards.yaml
     supportedNamespaces: []
     resourceRequests: