updated github links

Author: nmetulev

Microsoft.Toolkit.Uwp.SampleApp/SamplePages/samples.json

@@ -273,7 +273,7 @@
         "Name": "LiveTile",
         "Type": "LiveTilePage",
         "About": "This shows how to update a Live Tile with a rich Adaptive notification.",
-        "CodeUrl": "https://github.com/Microsoft/UWPCommunityToolkit/tree/master/Notifications/Microsoft.Toolkit.Uwp.Notifications.Shared",
+        "CodeUrl": "https://github.com/Microsoft/UWPCommunityToolkit/tree/master/Microsoft.Toolkit.Uwp.Notifications",
         "CodeFile": "LiveTileCode.bind",
         "JavaScriptCodeFile": "LiveTileCodeJavaScript.bind",
         "Icon": "/SamplePages/LiveTile/LiveTile.png",
@@ -283,7 +283,7 @@
         "Name": "Toast",
         "Type": "ToastPage",
         "About": "This shows how to send a Toast notification.",
-        "CodeUrl": "https://github.com/Microsoft/UWPCommunityToolkit/tree/master/Notifications/Microsoft.Toolkit.Uwp.Notifications.Shared",
+        "CodeUrl": "https://github.com/Microsoft/UWPCommunityToolkit/tree/master/Microsoft.Toolkit.Uwp.Notifications",
         "CodeFile": "ToastCode.bind",
         "JavaScriptCodeFile": "ToastCodeJavaScript.bind",
         "Icon": "/SamplePages/Toast/Toast.png",
@@ -293,7 +293,7 @@
         "Name": "WeatherLiveTileAndToast",
         "Type": "WeatherLiveTileAndToastPage",
         "About": "This shows how to send a Weather Live Tile and Toast notification, displaying the forecast.",
-        "CodeUrl": "https://github.com/Microsoft/UWPCommunityToolkit/tree/master/Notifications/Microsoft.Toolkit.Uwp.Notifications.Shared",
+        "CodeUrl": "https://github.com/Microsoft/UWPCommunityToolkit/tree/master/Microsoft.Toolkit.Uwp.Notifications",
         "CodeFile": "WeatherLiveTileAndToastCode.bind",
         "JavaScriptCodeFile": "WeatherLiveTileAndToastCodeJavaScript.bind",
         "Icon": "/SamplePages/WeatherLiveTileAndToast/WeatherLiveTileAndToast.png",