chore(interal): make link to api.md relative (#1117)

Author: stainless-bot

README.md

@@ -10,7 +10,7 @@ It is generated from our [OpenAPI specification](https://github.com/openai/opena
 
 ## Documentation
 
-The REST API documentation can be found [on platform.openai.com](https://platform.openai.com/docs). The full API of this library can be found in [api.md](https://www.github.com/openai/openai-python/blob/main/api.md).
+The REST API documentation can be found [on platform.openai.com](https://platform.openai.com/docs). The full API of this library can be found in [api.md](api.md).
 
 ## Installation
 
@@ -23,7 +23,7 @@ pip install openai
 
 ## Usage
 
-The full API of this library can be found in [api.md](https://www.github.com/openai/openai-python/blob/main/api.md).
+The full API of this library can be found in [api.md](api.md).
 
 ```python
 import os