fix: hyphenated compound adjective easy to use -> easy-to-use for clarity

Author: sumitaryal

docs/index.md

@@ -1,6 +1,6 @@
 # OpenAI Agents SDK
 
-The [OpenAI Agents SDK](https://github.com/openai/openai-agents-python) enables you to build agentic AI apps in a lightweight, easy to use package with very few abstractions. It's a production-ready upgrade of our previous experimentation for agents, [Swarm](https://github.com/openai/swarm/tree/main). The Agents SDK has a very small set of primitives:
+The [OpenAI Agents SDK](https://github.com/openai/openai-agents-python) enables you to build agentic AI apps in a lightweight, easy-to-use package with very few abstractions. It's a production-ready upgrade of our previous experimentation for agents, [Swarm](https://github.com/openai/swarm/tree/main). The Agents SDK has a very small set of primitives:
 
 -   **Agents**, which are LLMs equipped with instructions and tools
 -   **Handoffs**, which allow agents to delegate to other agents for specific tasks