add new GuardrailItem type

litellm/types/guardrails.py

@@ -0,0 +1,22 @@
+from typing import Dict, List, Optional, TypedDict, Union
+
+from pydantic import BaseModel, RootModel
+
+"""
+Pydantic object defining how to set guardrails on litellm proxy
+
+litellm_settings:
+  guardrails:
+    - prompt_injection:
+        callbacks: [lakera_prompt_injection, prompt_injection_api_2]
+        default_on: true
+    - detect_secrets:
+        callbacks: [hide_secrets]
+        default_on: true
+"""
+
+
+class GuardrailItem(BaseModel):
+    callbacks: List[str]
+    default_on: bool
+    guardrail_name: str