test(safe-area): add RadCalendar example

e2e/safe-area/app/home/home-page.xml

@@ -14,6 +14,7 @@
             <Button text="StackLayout Examples" tap="onNavigate" route="stacklayout/stacklayout-page"></Button>
             <Button text="WrapLayout Examples" tap="onNavigate" route="wraplayout/wraplayout-page"></Button>
             <Button text="RadListView Examples" tap="onNavigate" route="radlistview/radlistview-page"></Button>
+            <Button text="RadCalendar Examples" tap="onNavigate" route="radcalendar/radcalendar-page"></Button>
             <Button text="RadChart Examples" tap="onNavigate" route="radchart/radchart-page"></Button>
         </StackLayout>
     </ScrollView>

e2e/safe-area/app/radcalendar/radcalendar-page.xml

@@ -0,0 +1,5 @@
+<Page class="page" loaded="onPageLoaded" xmlns:calendar="nativescript-ui-calendar" xmlns="http://www.nativescript.org/tns.xsd">
+    <StackLayout class="stack">
+        <calendar:RadCalendar id="calendar" />
+    </StackLayout>
+</Page>

e2e/safe-area/app/radchart/radchart-page.xml

@@ -1,5 +1,6 @@
 <Page class="page" loaded="onPageLoaded" xmlns:chart="nativescript-ui-chart" xmlns="http://www.nativescript.org/tns.xsd">
 
+    <GridLayout cols="*" rows="*">
         <chart:RadCartesianChart id="cartesianChart">
             <chart:RadCartesianChart.series>
                 <chart:LineSeries items="{{ categoricalSource }}" categoryProperty="Country" valueProperty="Amount">
@@ -12,5 +13,5 @@
                 </chart:LineSeries>
             </chart:RadCartesianChart.series>
         </chart:RadCartesianChart>
-
+    </GridLayout>
 </Page>

e2e/safe-area/package.json

@@ -14,6 +14,7 @@
   },
   "dependencies": {
     "nativescript-theme-core": "~1.0.4",
+    "nativescript-ui-calendar": "^3.8.0",
     "nativescript-ui-chart": "^3.7.0",
     "nativescript-ui-listview": "^3.5.11",
     "tns-core-modules": "*"