docs(debugging.md): add controlling log level to docs

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

@@ -42,6 +42,14 @@ Set `JSON_LOGS="True"` in your env:
 ```bash
 export JSON_LOGS="True"
 ```
+**OR**
+
+Set `json_logs: true` in your yaml: 
+
+```yaml
+litellm_settings:
+    json_logs: true
+```
 
 Start proxy 
 
@@ -49,4 +57,35 @@ Start proxy
 $ litellm
 ```
 
-The proxy will now all logs in json format.
+The proxy will now all logs in json format.
+
+## Control Log Output 
+
+Turn off fastapi's default 'INFO' logs 
+
+1. Turn on 'json logs' 
+```yaml
+litellm_settings:
+    json_logs: true
+```
+
+2. Set `LITELLM_LOG` to 'ERROR' 
+
+Only get logs if an error occurs. 
+
+```bash
+LITELLM_LOG="ERROR"
+```
+
+3. Start proxy 
+
+
+```bash
+$ litellm
+```
+
+Expected Output: 
+
+```bash
+# no info statements
+```

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

@@ -21,6 +21,7 @@ general_settings:
 
 litellm_settings:
   set_verbose: False      # Switch off Debug Logging, ensure your logs do not have any debugging on
+  json_logs: true         # Get debug logs in json format
 ```
 
 Set slack webhook url in your env
@@ -28,6 +29,11 @@ Set slack webhook url in your env
 export SLACK_WEBHOOK_URL="https://hooks.slack.com/services/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"
 ```
 
+Turn off FASTAPI's default info logs
+```bash
+export LITELLM_LOG="ERROR"
+```
+
 :::info
 
 Need Help or want dedicated support ? Talk to a founder [here]: (https://calendly.com/d/4mp-gd3-k5k/litellm-1-1-onboarding-chat)