📖 DOC: Update learn guide (#73)

Author: MaheshtheDev

apps/baseai.dev/content/learn/learn/index.mdx

@@ -46,7 +46,7 @@ In these learn guides, you will learn how to locally:
 Create a directory in your local machine and navigate to it. Run the following command in the terminal:
 
 ```bash
-mkdir my-ai-project
+mkdir my-ai-project && cd my-ai-project
 npm init -y
 npm install dotenv
 ```