OpenAI docs

docs/README.md

@@ -54,4 +54,11 @@
 3. Press the `Load Model` button to load a `GGUF` model from local storage. *
 4. Navigate back to the main page and initiate a conversation. 
 
-\* Alternatively you can press the `Huggingface` button to the left of the `Load Model` button to download a model directly from the internet.
+\* Alternatively you can press the `Huggingface` button to the left of the `Load Model` button to download a model directly from the internet.
+
+## OpenAI
+
+1. On the main page ensure the OpenAI option is selected in the API dropdown.
+2. Press the menu button on the top right and select `Model Settings` option.
+3. Paste your API Key into the `API Key` text field.
+4. Navigate back to the main page and initiate a conversation.