docs(configs.md): add ip address filtering to docs

docs/my-website/docs/proxy/configs.md

@@ -639,6 +639,36 @@ curl --location 'http://0.0.0.0:4000/chat/completions' \
 }'
 ```
 
+## ✨ IP Address Filtering
+
+:::info
+
+You need a LiteLLM License to unlock this feature. [Grab time](https://calendly.com/d/4mp-gd3-k5k/litellm-1-1-onboarding-chat), to get one today!
+
+:::
+
+Restrict which IP's can call the proxy endpoints.
+
+```yaml
+general_settings:
+  allowed_ips: ["192.168.1.1"]
+```
+
+**Expected Response** (if IP not listed)
+
+```bash
+{
+    "error": {
+        "message": "Access forbidden: IP address not allowed.",
+        "type": "auth_error",
+        "param": "None",
+        "code": 403
+    }
+}
+```
+
+
+
 ## Disable Swagger UI 
 
 To disable the Swagger docs from the base url, set