[API] Move extensions into separate package

imgui-binding/src/main/java/imgui/extension/imnodes/flag/ImNodesAttributeFlags.java

@@ -0,0 +1,28 @@
+package imgui.extension.imnodes;
+
+/**
+ * This enum controls the way the attribute pins behave.
+ */
+public final class ImNodesAttributeFlags {
+
+    private ImNodesAttributeFlags() {
+    }
+
+    public static final int None = 0;
+
+    /**
+     * Allow detaching a link by left-clicking and dragging the link at a pin it is connected to.
+     * NOTE: the user has to actually delete the link for this to work. A deleted link can be
+     * detected by calling IsLinkDestroyed() after EndNodeEditor().
+     */
+    public static final int EnableLinkDetachWithDragClick = 1;
+
+    /**
+     * Visual snapping of an in progress link will trigger IsLink Created/Destroyed events. Allows
+     * for previewing the creation of a link while dragging it across attributes. See here for demo:
+     * https://github.com/Nelarius/imnodes/issues/41#issuecomment-647132113 NOTE: the user has to
+     * actually delete the link for this to work. A deleted link can be detected by calling
+     * IsLinkDestroyed() after EndNodeEditor().
+    */
+    public static final int EnableLinkCreationOnSnap = 1 << 1;
+}