Move musicus package to seperate directory

musicus/lib/screens/person.dart

@@ -0,0 +1,68 @@
+import 'package:flutter/material.dart';
+
+import '../backend.dart';
+import '../database.dart';
+import '../editors/person.dart';
+
+import 'work.dart';
+
+class PersonScreen extends StatelessWidget {
+  final Person person;
+
+  PersonScreen({
+    this.person,
+  });
+
+  @override
+  Widget build(BuildContext context) {
+    final backend = Backend.of(context);
+
+    return Scaffold(
+      appBar: AppBar(
+        title: Text('${person.firstName} ${person.lastName}'),
+        actions: <Widget>[
+          IconButton(
+            icon: const Icon(Icons.edit),
+            onPressed: () {
+              Navigator.push(
+                context,
+                MaterialPageRoute(
+                  builder: (context) => PersonEditor(
+                    person: person,
+                  ),
+                  fullscreenDialog: true,
+                ),
+              );
+            },
+          ),
+        ],
+      ),
+      body: StreamBuilder<List<Work>>(
+        stream: backend.db.worksByComposer(person.id).watch(),
+        builder: (context, snapshot) {
+          if (snapshot.hasData) {
+            return ListView.builder(
+              itemCount: snapshot.data.length,
+              itemBuilder: (context, index) {
+                final work = snapshot.data[index];
+                return ListTile(
+                  title: Text(work.title),
+                  onTap: () => Navigator.push(
+                    context,
+                    MaterialPageRoute(
+                      builder: (context) => WorkScreen(
+                        work: work,
+                      ),
+                    ),
+                  ),
+                );
+              },
+            );
+          } else {
+            return Container();
+          }
+        },
+      ),
+    );
+  }
+}