Blacked and isorted the python files

Prettied and eslinted the typescript/html files

bookie/src/app/core/toaster.service.ts

@@ -1,13 +1,11 @@
-import {Injectable} from '@angular/core';
+import { Injectable } from '@angular/core';
 import { MatSnackBar } from '@angular/material/snack-bar';
 
 @Injectable({
-  providedIn: 'root'
+  providedIn: 'root',
 })
 export class ToasterService {
-
-  constructor(private snackBar: MatSnackBar) {
-  }
+  constructor(private snackBar: MatSnackBar) {}
 
   show(type: string, msg: string) {
     this.snackBar.open(msg, type, {