Initial public commit

lib/logic/timeline_logic.dart

@@ -0,0 +1,20 @@
+import 'package:wonders/common_libs.dart';
+import 'package:wonders/logic/common/string_utils.dart';
+import 'package:wonders/logic/data/timeline_data.dart';
+
+class TimelineLogic {
+  final List<TimelineEvent> events = [];
+
+  Future<void> init() async {
+    events.addAll(GlobalEventsData().globalEvents);
+
+    for (var w in wondersLogic.all) {
+      events.add(
+        TimelineEvent(
+          w.startYr,
+          StringUtils.supplant($strings.timelineLabelConstruction, {'{title}': w.title}),
+        ),
+      );
+    }
+  }
+}