fix: ondisable not called properly

src/main/java/io/ib67/sfcraft/Lifecycle.java

@@ -1,6 +1,9 @@
 package io.ib67.sfcraft;
 
 public interface Lifecycle {
+    /**
+     * Invoke at ModInit (registries are open, etc.)
+     */
     void onInitialize();
 
     void onStateChange(State state);

src/main/java/io/ib67/sfcraft/SFCraftInitializer.java

@@ -70,6 +70,11 @@ public class SFCraftInitializer extends GuiceModInitializer {
         log.info("Load completed! " + getModuleManager().getModules().size() + " modules were loaded.");
     }
 
+    @Override
+    protected void onStopping(MinecraftServer minecraftServer) {
+        getModuleManager().switchGlobalState(Lifecycle.State.DISABLED);
+    }
+
     @Override
     protected Injector onInit() {
         SFEntityType.registerEntities();

src/main/java/io/ib67/sfcraft/ServerModule.java

@@ -23,10 +23,17 @@ public abstract class ServerModule extends AbstractModule implements Lifecycle {
         }
     }
 
+    /**
+     * Often called when server is shutting down. Can also be triggered by manual operation
+     */
     public void onDisable() {
 
     }
 
+    /**
+     * Often called when server is starting. Can also be triggered by manual operation
+     * In this phase you can access MinecraftServer via {@link io.ib67.sfcraft.inject.MinecraftServerSupplier}, which is injectable.
+     */
     public void onEnable() {
 
     }