Resolves #26 Entity view page

lib/entity.page.dart

@@ -0,0 +1,48 @@
+part of 'main.dart';
+
+class EntityViewPage extends StatefulWidget {
+  EntityViewPage({Key key, this.entity}) : super(key: key);
+
+  Entity entity;
+
+  @override
+  _EntityViewPageState createState() => new _EntityViewPageState();
+}
+
+class _EntityViewPageState extends State<EntityViewPage> {
+  String _title;
+  Entity _entity;
+
+  @override
+  void initState() {
+    super.initState();
+    _entity = widget.entity;
+    _prepareData();
+  }
+
+  _prepareData() async {
+    _title = _entity.displayName;
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    return new Scaffold(
+      appBar: new AppBar(
+        leading: IconButton(icon: Icon(Icons.arrow_back), onPressed: (){
+          Navigator.pop(context);
+        }),
+        // Here we take the value from the MyHomePage object that was created by
+        // the App.build method, and use it to set our appbar title.
+        title: new Text(_title),
+      ),
+      body: Padding(
+          padding: EdgeInsets.all(10.0),
+          child: ListView(
+            children: <Widget>[
+              _entity.buildExtendedWidget()
+            ],
+          ),
+      ),
+    );
+  }
+}