Update README.md to include prerequisites for one-command deployment instructions

Author: alguadam

README.md

@@ -98,7 +98,7 @@ Follow these steps to deploy the solution to your own Azure subscription:
 
 <br/>
 
-**One-command deployment** - Deploy everything with [Azure Developer CLI](https://learn.microsoft.com/azure/developer/azure-developer-cli/install-azd) and [Azure CLI](https://learn.microsoft.com/cli/azure/install-azure-cli):
+**One-command deployment** - Deploy everything with [Azure Developer CLI](https://learn.microsoft.com/azure/developer/azure-developer-cli/install-azd) and [Azure CLI](https://learn.microsoft.com/cli/azure/install-azure-cli) (Check [prerquisites](./docs/DeploymentGuide.md#prerequisites)):
 
 ```bash
 # Clone and navigate to repository