Change user creation script

Author: devashishdxt

.devcontainer/scripts/create-user.sh

@@ -3,6 +3,10 @@ USERNAME=${1}
 USER_UID=${2}
 USER_GID=${3}
 
+if [ ! "$USERNAME" ];then
+   USERNAME=vscode
+fi
+
 # Create the user
 addgroup --gid $USER_GID $USERNAME
 adduser --uid $USER_UID --gid $USER_GID --disabled-password $USERNAME