add ui

ui/utils/mediaQuery.js

@@ -0,0 +1,13 @@
+export function isAbove(width) {
+  if (window.matchMedia) {
+    return window.matchMedia(`(min-width: ${width}px)`).matches;
+  }
+  return window.innerWidth >= width;
+}
+
+export function isBelow(width) {
+  if (window.matchMedia) {
+    return window.matchMedia(`(max-width: ${width}px)`).matches;
+  }
+  return window.innerWidth <= width;
+}