Reverting doc rename

doc/examples/effects/infinite_effects/lib/square.dart

@@ -0,0 +1,21 @@
+import 'package:flame/anchor.dart';
+import 'package:flame/components/component.dart';
+
+import 'dart:ui';
+
+class Square extends PositionComponent {
+  final Paint _paint;
+
+  Square(this._paint, double x, double y) {
+    width = 100;
+    height = 100;
+    this.x = x;
+    this.y = y;
+    anchor = Anchor.center;
+  }
+
+  @override
+  void render(Canvas canvas) {
+    canvas.drawRect(toRect(), _paint);
+  }
+}