updating starter to include kv store path and update unit test packages to include chromadb inline

Signed-off-by: Francisco Javier Arceo <farceo@redhat.com>

llama_stack/templates/postgres-demo/run.yaml

@@ -24,6 +24,9 @@ providers:
     provider_type: remote::chromadb
     config:
       url: ${env.CHROMADB_URL:=}
+      kvstore:
+        type: sqlite
+        db_path: ${env.SQLITE_STORE_DIR:=~/.llama/distributions/postgres-demo}/chroma_remote_registry.db
   safety:
   - provider_id: llama-guard
     provider_type: inline::llama-guard