feat: re-work distro-codegen

each *.py file in the various templates now has to use `Provider`s rather than the stringified provider_types in the DistributionTemplate. Adjust that, regenerate all templates, docs, etc.

Signed-off-by: Charlie Doern <cdoern@redhat.com>

llama_stack/templates/watsonx/build.yaml

@@ -3,31 +3,49 @@ distribution_spec:
   description: Use watsonx for running LLM inference
   providers:
     inference:
-    - remote::watsonx
-    - inline::sentence-transformers
+    - provider_id: watsonx
+      provider_type: remote::watsonx
+    - provider_id: sentence-transformers
+      provider_type: inline::sentence-transformers
     vector_io:
-    - inline::faiss
+    - provider_id: faiss
+      provider_type: inline::faiss
     safety:
-    - inline::llama-guard
+    - provider_id: llama-guard
+      provider_type: inline::llama-guard
     agents:
-    - inline::meta-reference
+    - provider_id: meta-reference
+      provider_type: inline::meta-reference
     telemetry:
-    - inline::meta-reference
+    - provider_id: meta-reference
+      provider_type: inline::meta-reference
     eval:
-    - inline::meta-reference
+    - provider_id: meta-reference
+      provider_type: inline::meta-reference
     datasetio:
-    - remote::huggingface
-    - inline::localfs
+    - provider_id: huggingface
+      provider_type: remote::huggingface
+    - provider_id: localfs
+      provider_type: inline::localfs
     scoring:
-    - inline::basic
-    - inline::llm-as-judge
-    - inline::braintrust
+    - provider_id: basic
+      provider_type: inline::basic
+    - provider_id: llm-as-judge
+      provider_type: inline::llm-as-judge
+    - provider_id: braintrust
+      provider_type: inline::braintrust
     tool_runtime:
-    - remote::brave-search
-    - remote::tavily-search
-    - inline::rag-runtime
-    - remote::model-context-protocol
+    - provider_id: brave-search
+      provider_type: remote::brave-search
+    - provider_id: tavily-search
+      provider_type: remote::tavily-search
+    - provider_id: rag-runtime
+      provider_type: inline::rag-runtime
+    - provider_id: model-context-protocol
+      provider_type: remote::model-context-protocol
 image_type: conda
+image_name: watsonx
 additional_pip_packages:
-- aiosqlite
 - sqlalchemy[asyncio]
+- aiosqlite
+- aiosqlite