doc: added further instructions

README.md

@@ -23,14 +23,15 @@ We’ve provided a handy script `setup.sh` that will guide you through the setup
 
 0. **Clone the repository and make the script executable**
 
-```bash
-git clone https://git.jisoonet.com/el/mariadb-setup-guide.git
-```
+   - Clone the Repository:
 
    ```bash
+   git clone https://git.jisoonet.com/el/mariadb-setup-guide.git && \
    cd mariadb-setup-guide
    ```
 
+   - Make the script executable:
+
    ```bash
    chmod +x setup.sh
    ```