doc: added prereq commands

README.md

@@ -21,6 +21,20 @@ We’ve provided a handy script `setup.sh` that will guide you through the setup
 
 ### Steps to Run the Automatic Setup:
 
+0. **Clone the repository and make the script executable**
+
+```bash
+git clone https://git.jisoonet.com/el/mariadb-setup-guide.git
+```
+
+```bash
+cd mariadb-setup-guide
+```
+
+```bash
+chmod +x setup.sh
+```
+
 1. **Run the Setup Script:**
 
    - In your terminal, execute the following command: