Update README.md

Author: adityajadhav

README.md

@@ -1,2 +1,10 @@
 # Spring Boot "Microservice" Multi Module Example Project
 REST APIs implemented using Spring Boot Multi Module Maven Project
+
+## How to Run
+
+* Build the project by running `mvn clean package` inside todo-app-parent module
+* Once successfully built, run the service by using following command:
+```
+java -jar  todo-app-rest/target/todo-app-rest-0.0.1-SNAPSHOT.jar
+```