Initial, working login and logout with spotify

src/app.d.ts

@@ -0,0 +1,21 @@
+// See https://svelte.dev/docs/kit/types#app.d.ts
+
+
+// for information about these interfaces
+declare global {
+	namespace App {
+		// interface Error {}
+		interface Locals {
+			user: {
+				isLoggedIn: boolean;
+				email: string | undefined;
+				username: string | undefined | null;
+			}
+		}
+		// interface PageData {}
+		// interface PageState {}
+		// interface Platform {}
+	}
+}
+
+export { };