Blacked and isorted the python files

Prettied and eslinted the typescript/html files

bookie/src/app/guest-book/guest-book-list.ts

@@ -0,0 +1,6 @@
+import { GuestBook } from './guest-book';
+
+export class GuestBookList {
+  date: string;
+  list: GuestBook[];
+}