Merge pull request #5 from AzureCosmosDB/update-readme

Update readme.md

readme.md

@@ -6,3 +6,14 @@ Sample Java Spring web application using Azure Cosmos DB for NoSQL.
 | --- | --- |
 | Downloaded latest source code | <https://github.com/azurecosmosdb/quickstart-nosql-java/releases/latest/download/project.zip> |
 | Open in GitHub Codespaces | <https://codespaces.new/AzureCosmosDB/quickstart-nosql-java?template=true&quickstart=1> |
+
+## Run this
+
+1. Replace the credentials in **src/main/java/com/microsoft/learn/azure/cosmosdb/nosql/quickstart/CosmosConfiguration.java** with your Azure Cosmos DB for NoSQL account's credentials.
+
+1. Start the application:
+
+    ```shell
+    mvn clean install
+    mvn spring-boot:run
+    ```