Add missing EnemyMixin_API (#4083)

Author: ImMorpheus

src/mixins/java/org/spongepowered/common/mixin/api/minecraft/world/entity/monster/EnemyMixin_API.java

@@ -0,0 +1,33 @@
+/*
+ * This file is part of Sponge, licensed under the MIT License (MIT).
+ *
+ * Copyright (c) SpongePowered <https://www.spongepowered.org>
+ * Copyright (c) contributors
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+package org.spongepowered.common.mixin.api.minecraft.world.entity.monster;
+
+import net.minecraft.world.entity.monster.Enemy;
+import org.spongepowered.api.entity.living.Hostile;
+import org.spongepowered.asm.mixin.Mixin;
+
+@Mixin(Enemy.class)
+public interface EnemyMixin_API extends Hostile {
+}

src/mixins/resources/mixins.sponge.api.json

@@ -219,6 +219,7 @@
         "minecraft.world.entity.monster.ElderGuardianMixin_API",
         "minecraft.world.entity.monster.EnderManMixin_API",
         "minecraft.world.entity.monster.EndermiteMixin_API",
+        "minecraft.world.entity.monster.EnemyMixin_API",
         "minecraft.world.entity.monster.EvokerMixin_API",
         "minecraft.world.entity.monster.GhastMixin_API",
         "minecraft.world.entity.monster.GiantMixin_API",