docs: improve contributor onboarding docs (#45)

Author: kranthipoturaju

README.md

@@ -31,7 +31,18 @@ Before you start, ensure you have Node.js and a package manager installed on you
      ```
    - Alternatively, you can use other package managers like Yarn or pnpm.
 
-4. **Run the Development Server**:
+4. **Install Dependencies**:
+
+   - Install the project dependencies using your preferred package manager:
+     ```bash
+     npm install
+     # or
+     yarn install
+     # or
+     pnpm install
+     ```
+
+5. **Run the Development Server**:
 
    - Once Node.js and a package manager are installed, you can start the development server:
 

claude.md

@@ -95,7 +95,6 @@ npm run dev  # Start development server on localhost:3000
 
 ```bash
 npm run build     # Build static site
-npm run export    # Export for deployment
 ```
 
 ### Code Quality