updated schedule page to use composition API and typescript

src/types/schedule.ts

@@ -0,0 +1,10 @@
+import type { Showing } from "~/types/showing";
+
+export type Schedule = {
+  id: number;
+  name: string;
+  public: boolean;
+  owner: number;
+  showings: Showing[];
+  past_showings: Showing[];
+};

src/types/showing.ts

@@ -0,0 +1,8 @@
+import type { Movie } from "~/types/movie";
+
+export type Showing = {
+  owner: number;
+  public: boolean;
+  movie: Movie;
+  showtime: string;
+};