Updates for agent-dynamic conf instructions

README.md

@@ -147,10 +147,12 @@ INFO[0000] gRPC listening at 54789 # gRPC control plane port which NGINX Agent w
 ```
 
 ## NGINX Agent Settings
-If it doesn't already exist, create the `/etc/nginx-agent/nginx-agent.conf` file
+If it doesn't already exist, create the `/etc/nginx-agent/` directory and copy the nginx-agent.conf file from the project root directory into the newly created directory. 
+Create the agent-dynamic.conf file in the `/etc/nginx-agent/` directory for agent to run. 
 ```
 sudo mkdir /etc/nginx-agent
 sudo cp nginx-agent.conf /etc/nginx-agent/
+sudo vi /etc/nginx-agent/agent-dynamic.conf
 ```
 
 ### Enabling the gRPC interface