docs: update guardrails-library.md to include Clavata as a third party API (#1294)

Signed-off-by: Ash Bhardwaj <ash@clavata.ai>

Author: ashwini

docs/user-guides/guardrails-library.md

@@ -19,6 +19,7 @@ NeMo Guardrails comes with a library of built-in guardrails that you can easily
 3. Third-Party APIs
    - [ActiveFence Moderation](#activefence)
    - [AutoAlign](#autoalign)
+   - [Clavata.ai](#clavata)
    - [Cleanlab Trustworthiness Score](#cleanlab)
    - [GCP Text Moderation](#gcp-text-moderation)
    - [Private AI PII detection](#private-ai-pii-detection)
@@ -721,6 +722,25 @@ rails:
 
 For more details, check out the [AutoAlign Integration](./community/auto-align.md) page.
 
+### Clavata
+
+NeMo Guardrails supports using [Clavata AI](https://www.clavata.ai/blogs/partner-nvidia) as an input and output rail out-of-the-box (you need to have the CLAVATA_API_KEY environment variable set).
+
+#### Example usage
+
+```yaml
+rails:
+  config:
+    clavata:
+      policies:
+        Fraud: 00000000-0000-0000-0000-000000000000
+        Bot_Behavior: 00000000-0000-0000-0000-000000000000
+      label_match_logic: ANY
+
+```
+
+For more details, check out the [Clavata Integration](https://docs.nvidia.com/nemo/guardrails/latest/user-guides/community/clavata.html) page.
+
 ### Cleanlab
 
 NeMo Guardrails supports using the [Cleanlab Trustworthiness Score API](https://cleanlab.ai/blog/trustworthy-language-model/) as an output rail (you need to have the `CLEANLAB_API_KEY` environment variable set).