Codemod from llama_toolchain -> llama_stack

- added providers/registry
- cleaned up api/ subdirectories and moved impls away
- restructured api/api.py
- from llama_stack.apis.<api> import foo should work now
- update imports to do llama_stack.apis.<api>
- update many other imports
- added __init__, fixed some registry imports
- updated registry imports
- create_agentic_system -> create_agent
- AgenticSystem -> Agent

llama_stack/providers/registry/inference.py

@@ -0,0 +1,69 @@
+# Copyright (c) Meta Platforms, Inc. and affiliates.
+# All rights reserved.
+#
+# This source code is licensed under the terms described in the LICENSE file in
+# the root directory of this source tree.
+
+from typing import List
+
+from llama_stack.core.datatypes import *  # noqa: F403
+
+
+def available_providers() -> List[ProviderSpec]:
+    return [
+        InlineProviderSpec(
+            api=Api.inference,
+            provider_id="meta-reference",
+            pip_packages=[
+                "accelerate",
+                "blobfile",
+                "codeshield",
+                "fairscale",
+                "fbgemm-gpu==0.8.0",
+                "torch",
+                "transformers",
+                "zmq",
+            ],
+            module="llama_stack.providers.impls.meta_reference.inference",
+            config_class="llama_stack.providers.impls.meta_reference.inference.MetaReferenceImplConfig",
+        ),
+        remote_provider_spec(
+            api=Api.inference,
+            adapter=AdapterSpec(
+                adapter_id="ollama",
+                pip_packages=["ollama"],
+                module="llama_stack.providers.adapters.inference.ollama",
+            ),
+        ),
+        remote_provider_spec(
+            api=Api.inference,
+            adapter=AdapterSpec(
+                adapter_id="tgi",
+                pip_packages=["huggingface_hub"],
+                module="llama_stack.providers.adapters.inference.tgi",
+                config_class="llama_stack.providers.adapters.inference.tgi.TGIImplConfig",
+            ),
+        ),
+        remote_provider_spec(
+            api=Api.inference,
+            adapter=AdapterSpec(
+                adapter_id="fireworks",
+                pip_packages=[
+                    "fireworks-ai",
+                ],
+                module="llama_stack.providers.adapters.inference.fireworks",
+                config_class="llama_stack.providers.adapters.inference.fireworks.FireworksImplConfig",
+            ),
+        ),
+        remote_provider_spec(
+            api=Api.inference,
+            adapter=AdapterSpec(
+                adapter_id="together",
+                pip_packages=[
+                    "together",
+                ],
+                module="llama_stack.providers.adapters.inference.together",
+                config_class="llama_stack.providers.adapters.inference.together.TogetherImplConfig",
+            ),
+        ),
+    ]