Update install_dashy.sh

tools/install_dashy.sh

@@ -8,5 +8,5 @@ function error {
 echo "Creating directory..."
 sudo mkdir -p /portainer/Files/AppData/Config/Dashy/ || error "Failed to create Dashy folder!"
 echo "Creating a blank Dashy config files"
-sudo touch /portainer/Files/AppData/Config/Dashy/local-conf.yml || error "Failed to touch config.json file!"
+sudo touch /portainer/Files/AppData/Config/Dashy/local-conf.yml || error "Failed to touch local-conf.yml file!"
 echo "Setup complete. You can now install the Dashy using the App Template."