[fonts] Initial fonts support commit

imgui-binding/src/main/java/imgui/ImDestroyable.java

@@ -0,0 +1,9 @@
+package imgui;
+
+/**
+ * While implementing this interface, class could be manually destroyed (free allocated memory on the JNI side).
+ * Read javadoc and "BINDING NOTICE" for specific cases.
+ */
+interface ImDestroyable {
+    void destroy();
+}