Added global type defs for stats.

src/types/DailyStats.d.ts

@@ -0,0 +1,9 @@
+export interface DailyStat {
+  createdAt: Date;
+  linksDeleted: number;
+  commandResponses: number;
+  timesTriggered: number;
+  updatedAt: Date;
+}
+
+export type DailyStats = DailyStat[];

src/types/LineChartStats.d.ts

@@ -0,0 +1,8 @@
+export interface LineChartItem {
+  day: number;
+  "Links Deleted": number;
+  Commands: number;
+  Triggers: number;
+}
+
+export type LineChartArr = LineChartItem[];