Move nginx config on cancel or fail of app install

src/freedombone-addremove

@@ -84,7 +84,8 @@ fi
                 if [ -f "/etc/nginx/sites-available/${app_domain}" ]; then
                     echo "Removing /etc/nginx/sites-available/${app_domain}" >> "$webadmin_install_dir/applog.txt"
                     nginx_dissite "${app_domain}"
-                    rm "/etc/nginx/sites-available/${app_domain}"
+                    mv "/etc/nginx/sites-available/${app_domain}" /root/.nginx_config
+                    cat /root/.nginx_config >> "$webadmin_install_dir/applog.txt"
                     echo "Restarting nginx" >> "$webadmin_install_dir/applog.txt"
                     systemctl restart nginx
                 fi
@@ -97,6 +98,10 @@ fi
         fi
     )
 
+if [ -f /root/.nginx_config ]; then
+    rm /root/.nginx_config
+fi
+
 if [ -f "$adding_app_file" ]; then
     rm "$adding_app_file"
 fi