(docs) openai wildcard models

docs/my-website/docs/providers/openai.md

@@ -25,7 +25,7 @@ response = completion(
 )
 ```
 
-### Proxy Usage
+### Usage - LiteLLM Proxy Server
 
 Here's how to call OpenAI models with the LiteLLM Proxy Server
 
@@ -38,6 +38,29 @@ export OPENAI_API_KEY=""
 ### 2. Start the proxy 
 
 <Tabs>
+<TabItem value="config" label="config.yaml">
+
+```yaml
+model_list:
+  - model_name: gpt-3.5-turbo
+    litellm_params:
+      model: gpt-3.5-turbo
+      api_key: os.environ/OPENAI_API_KEY
+```
+</TabItem>
+<TabItem value="config-*" label="config.yaml - proxy all OpenAI models">
+
+Use this to add all openai models with one API Key. **WARNING: This will not do any load balancing**
+This means requests to `gpt-4`, `gpt-3.5-turbo` , `gpt-4-turbo-preview` will all go through this route 
+
+```yaml
+model_list:
+  - model_name: "*"             # all requests where model not in your config go to this deployment
+    litellm_params:
+      model: openai/*           # set `openai/` to use the openai route
+      api_key: os.environ/OPENAI_API_KEY
+```
+</TabItem>
 <TabItem value="cli" label="CLI">
 
 ```bash
@@ -46,15 +69,7 @@ $ litellm --model gpt-3.5-turbo
 # Server running on http://0.0.0.0:4000
 ```
 </TabItem>
-<TabItem value="config" label="config.yaml">
 
-```yaml
-model_list:
-  - model_name: gpt-3.5-turbo
-    litellm_params:
-      model: gpt-3.5-turbo
-```
-</TabItem>
 </Tabs>
 
 ### 3. Test it