Reverting doc rename

doc/examples/timer/lib/main.dart

@@ -0,0 +1,93 @@
+import 'package:flutter/material.dart';
+import 'package:flame/game.dart';
+import 'package:flame/time.dart';
+import 'package:flame/text_config.dart';
+import 'package:flame/position.dart';
+import 'package:flame/gestures.dart';
+import 'package:flame/components/timer_component.dart';
+
+void main() {
+  runApp(GameWidget());
+}
+
+class GameWidget extends StatelessWidget {
+  @override
+  Widget build(BuildContext context) {
+    return MaterialApp(routes: {
+      '/': (BuildContext context) => Column(children: [
+            RaisedButton(
+                child: const Text("Game"),
+                onPressed: () {
+                  Navigator.of(context).pushNamed("/game");
+                }),
+            RaisedButton(
+                child: const Text("BaseGame"),
+                onPressed: () {
+                  Navigator.of(context).pushNamed("/base_game");
+                })
+          ]),
+      '/game': (BuildContext context) => MyGame().widget,
+      '/base_game': (BuildContext context) => MyBaseGame().widget
+    });
+  }
+}
+
+class RenderedTimeComponent extends TimerComponent {
+  final TextConfig textConfig =
+      const TextConfig(color: const Color(0xFFFFFFFF));
+
+  RenderedTimeComponent(Timer timer) : super(timer);
+
+  @override
+  void render(Canvas canvas) {
+    textConfig.render(
+        canvas, "Elapsed time: ${timer.current}", Position(10, 150));
+  }
+}
+
+class MyBaseGame extends BaseGame with TapDetector, DoubleTapDetector {
+  @override
+  void onTapDown(_) {
+    add(RenderedTimeComponent(Timer(1)..start()));
+  }
+
+  @override
+  void onDoubleTap() {
+    add(RenderedTimeComponent(Timer(5)..start()));
+  }
+}
+
+class MyGame extends Game with TapDetector {
+  final TextConfig textConfig =
+      const TextConfig(color: const Color(0xFFFFFFFF));
+  Timer countdown;
+  Timer interval;
+
+  int elapsedSecs = 0;
+
+  MyGame() {
+    countdown = Timer(2);
+    interval = Timer(1, repeat: true, callback: () {
+      elapsedSecs += 1;
+    });
+    interval.start();
+  }
+
+  @override
+  void onTapDown(_) {
+    countdown.start();
+  }
+
+  @override
+  void update(double dt) {
+    countdown.update(dt);
+    interval.update(dt);
+  }
+
+  @override
+  void render(Canvas canvas) {
+    textConfig.render(canvas, "Countdown: ${countdown.current.toString()}",
+        Position(10, 100));
+    textConfig.render(canvas, "Elapsed time: $elapsedSecs", Position(10, 150));
+  }
+}