feat: add postgres deps to starter distro (#2360)

Once we have this, we can use the starter distro for the Kubernetes
cluster demos.

llama_stack/templates/starter/run.yaml

@@ -39,6 +39,13 @@ providers:
     config:
       url: https://api.sambanova.ai/v1
       api_key: ${env.SAMBANOVA_API_KEY:}
+  - provider_id: remote-vllm
+    provider_type: remote::remote-vllm
+    config:
+      url: ${env.VLLM_URL:http://localhost:8000/v1}
+      max_tokens: ${env.VLLM_MAX_TOKENS:4096}
+      api_token: ${env.VLLM_API_TOKEN:fake}
+      tls_verify: ${env.VLLM_TLS_VERIFY:true}
   - provider_id: sentence-transformers
     provider_type: inline::sentence-transformers
     config: {}