Map card WIP

lib/utils/RandomColorGenerator.dart

@@ -0,0 +1,28 @@
+part of '../main.dart';
+
+class RandomColorGenerator {
+  static const colorsList = [
+    Colors.green,
+    Colors.purple,
+    Colors.indigo,
+    Colors.red,
+    Colors.orange,
+    Colors.cyan
+  ];
+
+  int _index = 0;
+
+  Color getCurrent() {
+    return colorsList[_index];
+  }
+
+  Color getNext() {
+    if (_index < colorsList.length - 1) {
+      _index += 1;
+    } else {
+      _index = 1;
+    }
+    return getCurrent();
+  }
+
+}