Migrate to modernize template

Web/public/scss/layouts/_transitions.scss

@@ -0,0 +1,17 @@
+$swift-ease-out-duration: 400ms;
+$swift-ease-out-timing-function: cubic-bezier(0.25, 0.8, 0.25, 1);
+
+@function swift-ease-out($property) {
+  // The Material default animation curves.
+  $transition: $property $swift-ease-out-duration
+    $swift-ease-out-timing-function;
+
+  @return $transition;
+}
+
+@function fast-out-slow($property) {
+  // The Material default animation curves.
+  $transition: $property 225ms cubic-bezier(0.4, 0, 0.2, 1);
+
+  @return $transition;
+}