compound joysticks, button guide in screens, improve API

src/main/java/dev/isxander/controlify/api/buttonguide/ButtonRenderPosition.java

@@ -0,0 +1,19 @@
+package dev.isxander.controlify.api.buttonguide;
+
+/**
+ * Where the guide should be rendered relative to the button.
+ */
+public enum ButtonRenderPosition {
+    /**
+     * Renders outside the button the left.
+     */
+    LEFT,
+    /**
+     * Renders outside the button the right.
+     */
+    RIGHT,
+    /**
+     * Renders inside the button on the left of the button text.
+     */
+    TEXT
+}