feat: migrated from chart.js to google-charts

lib/types.d.ts

@@ -1,4 +1,23 @@
 export interface Tab {
-  title: string;
   id: string;
+  title: string;
 }
+
+interface Currency {
+  id: string;
+  label: string;
+}
+
+interface Category {
+  label: string;
+  backgroundColor: string;
+}
+
+export interface UserSpendData {
+  category: Category;
+  currency: Currency;
+  date: Date;
+  value: number;
+}
+
+export type PieCircleData = Array<[[string, number], { backgroundColor: string; label: string }]>;