adding example data for pfits 18/55 and hovering over cells. Next up is clicking to change color to green and right clicking to reset to white.

src/app/models/plan.model.ts

@@ -0,0 +1,10 @@
+import { Workout } from "./workout.model";
+
+export interface Plan {
+    name: string,
+    description: string,
+    startDate: Date,
+    endDate: Date,
+    numWeeks: number,
+    workouts: Workout[][]
+}