@@ -0,0 +1,555 @@
+package io.github.satoshinm.WebSandboxMC.sponge;%0A%0Aimport com.google.inject.Inject;%0Aimport org.slf4j.Logger;%0Aimport org.spongepowered.api.event.Listener;%0Aimport org.spongepowered.api.event.game.state.GameStartedServerEvent;%0Aimport org.spongepowered.api.plugin.Plugin;%0A%0A@Plugin(id = %22websandboxmc%22, name = %22WebSandboxMC%22, version = %221.6.0%22)%0Apublic class WebSandboxSpongePlugin %7B%0A%0A    @Inject%0A    private Logger logger;%0A%0A    @Listener%0A    public void onServerStart(GameStartedServerEvent event) %7B%0A        logger.info(%22WebSandboxMC/Sponge starting%22);%0A    %7D%0A%7D%0A

Add a skeletal Sponge plugin class