Update devcontainer.json

Author: Chuxel

container-templates/docker-compose/.devcontainer/devcontainer.json

@@ -15,6 +15,7 @@
 	// Use 'settings' to set *default* container specific settings.json values on container create. 
 	// You can edit these settings after create using File > Preferences > Settings > Remote.
 	"settings": { 
+		// If you are using an Alpine-based image, change this to /bin/ash
 		"terminal.integrated.shell.linux": "/bin/bash"
 	},
 
@@ -29,4 +30,4 @@
 
 	// Add the IDs of extensions you want installed when the container is created in the array below.
 	"extensions": []
-}
+}