Clarify that you need Node.js and pnpm before you begin.

README.md

@@ -37,14 +37,19 @@ Welcome to the official docs for [**CodeRabbit**](https://coderabbit.ai), the co
 
 ## Getting Started
 
+1. Make sure that you have the following prerequisites installed:
+
+	- [Node.js](https://nodejs.org/)
+	- [pnpm](https://pnpm.io/installation)
+
 1. Clone this repository:
 
    ```sh
    git clone https://github.com/coderabbit-ai/coderabbit-docs.git
    cd coderabbit-docs
    ```
 
-2. Install dependencies:
+2. Install Node.js dependencies using `pnpm`:
 
    ```sh
    pnpm install