add explanation to remove sample data

README.md

@@ -30,19 +30,22 @@ additional requirements will be downloaded by and managed maven.
 
 #### Deplyment
 1. Clone the repository:
-```
+```bash
 git clone https://github.com/your-username/DataDash.git
 ```
 2. Enter the repo
 ```
 cd datadash
 ```
+3. Remove sample data(Optional)
+remove the ```src/main/resources/data.sql``` to remove the sample data.
+*Note:* This will also remove all default Categories.
 
-3. Install Java 22-jdk:
+4. Install Java 22-jdk:
 plese refer to the Instalation instructions for your os
 
-4. Start the application:
-```
+5. Start the application:
+```bash
 ./mvnw package
 ```
 this will create the ```.war``` file that you can deploy as you like