improvements to graphs

lib/pages/charts/preset_graphs.dart

@@ -0,0 +1,29 @@
+import 'package:flutter/material.dart';
+import 'package:charts_flutter/flutter.dart' as charts;
+import 'package:local_spend/common/apifunctions/get_graph_data.dart';
+
+class PresetChart extends StatefulWidget {
+  PresetChart({Key key}) : super(key: key);
+
+  @override
+  _PresetChartState createState() {
+    return _PresetChartState();
+  }
+}
+
+class _PresetChartState extends State<PresetChart> {
+  @override
+  void initState() {
+    super.initState();
+  }
+
+  @override
+  void dispose() {
+    super.dispose();
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    return null;
+  }
+}