switch MouseTweaks disabling method

src/api/java/yalter/mousetweaks/api/MouseTweaksIgnore.java

@@ -0,0 +1,14 @@
+package yalter.mousetweaks.api;
+
+import java.lang.annotation.ElementType;
+import java.lang.annotation.Retention;
+import java.lang.annotation.RetentionPolicy;
+import java.lang.annotation.Target;
+
+/**
+ * Put this on your GuiScreen to disable Mouse Tweaks.
+ */
+@Retention(RetentionPolicy.RUNTIME)
+@Target(ElementType.TYPE)
+public @interface MouseTweaksIgnore {
+}