docs(debugging.md): add json logs to proxy docs

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

@@ -5,6 +5,8 @@
 - debug (prints info logs)
 - detailed debug (prints debug logs)
 
+The proxy also supports json logs. [See here](#json-logs)
+
 ## `debug`
 
 **via cli**
@@ -32,3 +34,19 @@ $ litellm --detailed_debug
 ```python
 os.environ["LITELLM_LOG"] = "DEBUG"
 ```
+
+## JSON LOGS
+
+Set `JSON_LOGS="True"` in your env:
+
+```bash
+export JSON_LOGS="True"
+```
+
+Start proxy 
+
+```bash
+$ litellm
+```
+
+The proxy will now all logs in json format.