Add Missing Entity API: Cat (#5744)

patches/api/Missing-Entity-Behavior-API.patch

@@ -4,6 +4,47 @@ Date: Fri, 28 May 2021 21:06:59 -0400
 Subject: [PATCH] Missing Entity Behavior API
 
 
+diff --git a/src/main/java/org/bukkit/entity/Cat.java b/src/main/java/org/bukkit/entity/Cat.java
+index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000 100644
+--- a/src/main/java/org/bukkit/entity/Cat.java
++++ b/src/main/java/org/bukkit/entity/Cat.java
+@@ -0,0 +0,0 @@ public interface Cat extends Tameable, Sittable {
+         JELLIE,
+         ALL_BLACK;
+     }
++
++    // Paper Start - More cat api
++    /**
++     * Sets if the cat is lying down.
++     * This is visual and does not affect the behaviour of the cat.
++     *
++     * @param lyingDown whether the cat should lie down
++     */
++    public void setLyingDown(boolean lyingDown);
++
++    /**
++     * Gets if the cat is lying down.
++     *
++     * @return whether the cat is lying down
++     */
++    public boolean isLyingDown();
++
++    /**
++     * Sets if the cat has its head up.
++     * This is visual and does not affect the behaviour of the cat.
++     *
++     * @param headUp head is up
++     */
++    public void setHeadUp(boolean headUp);
++
++    /**
++     * Gets if the cat has its head up.
++     *
++     * @return head is up
++     */
++    public boolean isHeadUp();
++    // Paper End - More cat api
+ }
 diff --git a/src/main/java/org/bukkit/entity/Fox.java b/src/main/java/org/bukkit/entity/Fox.java
 index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000 100644
 --- a/src/main/java/org/bukkit/entity/Fox.java