fix: linux user docker setup

Author: Turupawn

src/content/docs/en/sdk/guides/devnet-deployment.mdx

@@ -96,7 +96,6 @@ You can enable it in the `values.yaml` file if wanting to locally test external
 
     sudo apt-get update
     sudo apt-get install docker-ce docker-ce-cli containerd.io docker-buildx-plugin docker-compose-plugin
-    sudo usermod -aG docker $USER
     ```
 
 3. Install [kubectl](https://kubernetes.io/docs/tasks/tools/install-kubectl-linux/):
@@ -168,6 +167,15 @@ sudo brew services start chipmk/tap/docker-mac-net-connect
 
 </Fragment>
 <Fragment slot="panel.2">
+
+Add your user to the docker group.
+
+```bash
+sudo usermod -aG docker $USER && newgrp docker
+```
+
+Now you are ready to start minikube.
+
 ```bash
 minikube start --driver=docker
 minikube addons enable ingress