added sound during countdown, and upgraded minsdkversion

lib/helpers/widget_helpers.dart

@@ -42,3 +42,21 @@ String jsonToDescription(List text) {
 
   return content;
 }
+
+Widget formItemWrapper(Widget content,
+    [EdgeInsets padding = const EdgeInsets.fromLTRB(0, 0, 0, 0)]) {
+  return Expanded(child: Padding(padding: padding, child: content));
+}
+
+List<DropdownMenuEntry> numericDropDownItems(String type, int itemLimit) {
+  final List<DropdownMenuEntry> items = [];
+
+  // String entryName = type;
+
+  for (int i = 0; i < itemLimit; i++) {
+    // if (i != 0) entryName = "${type}s";
+    items.add(DropdownMenuEntry(value: i + 1, label: "${i + 1}"));
+  }
+
+  return items;
+}