Restructure Sass files and folders for proper application Sass development

UI/WebServerResources/scss/components/bottomSheet/demoBasicUsage/index.html

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+<div ng-controller="BottomSheetExample">
+  <p style="padding-left: 20px;">
+    Bottom sheet can be dismissed with the service or a swipe down.
+  </p>
+  <div class="bottom-sheet-demo inset" layout="column" layout-sm="row" layout-align="center">
+    <md-button class="md-primary" ng-click="showListBottomSheet($event)">
+      Show as List
+    </md-button>
+    <div style="width:50px;"></div>
+    <md-button class="md-primary" ng-click="showGridBottomSheet($event)">
+      Show as Grid
+    </md-button>
+  </div>
+
+  <br/>
+  <b layout="row" layout-align="center center" layout-margin>
+    {{alert}}
+  </b>
+</div>