Feature: The guestbook now autocompletes on phone number

bookie/src/app/taxes/tax-detail/tax-detail.component.html

@@ -21,6 +21,7 @@
               formControlName="name"
               (keyup.enter)="save()"
             />
+            <mat-hint> Format for GST: ST GST @ x% (1/2) ; CGST @ x% (1/2) </mat-hint>
           </mat-form-field>
         </div>
         <div