Refactor codebase resolving warnings and remove self-package imports

lib/view/pages/more/countdown/timer.dart

@@ -0,0 +1,54 @@
+
+import 'package:flutter/material.dart';
+
+import 'animatedTime.dart';
+
+class Timer extends StatefulWidget {
+  final DateTime target;
+  final String? author;
+  final String label;
+  const Timer({Key? key, required this.target, this.author, required this.label}) : super(key: key);
+
+  @override
+  State<Timer> createState() => _TimerState();
+}
+
+class _TimerState extends State<Timer> {
+  late bool isLocal;
+
+  @override
+  void initState() {
+    super.initState();
+    isLocal = widget.author == null;
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    return ListTile(
+      leading: const Icon(Icons.timer),
+      title: AnimatedTime(
+        callback: () {
+          if(widget.target.isBefore(DateTime.now())) return Duration.zero;
+          return widget.target.difference(DateTime.now());
+        },
+      ),
+      trailing: Row(
+        mainAxisSize: MainAxisSize.min,
+        children: [
+          if(!isLocal) Row(
+            children: [
+              const Text("5"),
+              IconButton(onPressed: () {
+
+              }, icon: const Icon(Icons.thumb_up_outlined)),
+            ],
+          ),
+          IconButton(onPressed: () {
+
+          }, icon: const Icon(Icons.star_outline))
+        ],
+      ),
+      subtitle: Text("${widget.label}${!isLocal ? "\ngeteilt von ${widget.author}" : ""}"),
+    );
+  }
+}