fix: typo in prompts.mdx

Author: rajrajhans

docs/concepts/prompts.mdx

@@ -1,6 +1,6 @@
 ---
 title: "Prompts"
-description: "Create resuable prompt templates and workflows"
+description: "Create reusable prompt templates and workflows"
 ---
 
 Prompts enable servers to define reusable prompt templates and workflows that clients can easily surface to users and LLMs. They provide a powerful way to standardize and share common LLM interactions.