Started add an CraftingManager for anvils and added some generators to GuiConfig.

src/main/java/de/skate702/craftingkeys/manager/AnvilManager.java

@@ -0,0 +1,52 @@
+package de.skate702.craftingkeys.manager;
+
+import de.skate702.craftingkeys.util.Logger;
+import net.minecraft.inventory.Container;
+
+public class AnvilManager extends ContainerManager {
+    //TODO:Get it to work...It's just a copy of the brewingManager
+    private static AnvilManager instance = null;
+
+    private AnvilManager(Container container) {
+        super(container);
+    }
+
+    public static AnvilManager getInstance(Container container) {
+        if (instance == null) {
+            instance = new AnvilManager(container);
+        } else {
+            instance.container = container;
+        }
+        return instance;
+    }
+
+    @Override
+    protected int specificKeyToSlotIndex() {
+        return mapKeyToSlot(-1, 3, -1, 0, 1, 2, -1, -1, -1);
+    }
+
+    @Override
+    protected int getInventoryStartIndex() {
+        return 4;
+    }
+
+    @Override
+    protected int getInteractionSlotIndex() {
+        return -1;
+    }
+
+    @Override
+    protected void onInteractionKeyPressed() {
+        Logger.info("onInteractionKeyPressed()", "Brewing stands have no interaction!");
+    }
+
+    @Override
+    protected int[] getDropSlots() {
+        return new int[]{0, 1, 2, 3};
+    }
+
+    @Override
+    protected void interact() {
+
+    }
+}