Update README.md

Author: lexfrl

README.md

@@ -1,5 +1,12 @@
 [Live demo](https://fckt.github.io/react-layer-stack/)
 
+### Related Stackoverflow q&a
+http://stackoverflow.com/a/40461655/524034
+http://stackoverflow.com/questions/40443160/bootstrap-modal-like-behavior-in-react
+http://stackoverflow.com/questions/40444788/rendering-a-modal-in-react
+http://stackoverflow.com/questions/39805544/showing-list-of-buttons-displaying-modals-in-reactjs
+http://stackoverflow.com/questions/39913593/dynamically-displaying-data-from-a-clickable-table-row-into-a-modal
+
 ### Rationale
 `react`/`react-dom` comes comes with 2 basic assumptions/ideas:
 - every UI is hierarchical naturally. This why we have the idea of `components` wrap each other