Modifier Category table added as a parent of modifiers

They are also linked to products / menu categroies as to which products they can be used on
The linking to menu categories is done in the frontend, database is linked directly to products
Treeview for menu categories yet to be done in modifier category detail form

bookie/src/app/guest-book/guest-book-list/guest-book-list.component.html

@@ -19,7 +19,7 @@
         </div>
     </form>
     <mat-table [dataSource]="dataSource" aria-label="Elements">
-      <!-- Id Column -->
+      <!-- SNo Column -->
       <ng-container matColumnDef="sno">
         <mat-header-cell *matHeaderCellDef>S. No</mat-header-cell>
         <mat-cell *matCellDef="let row">{{row.serial}}</mat-cell>
@@ -31,13 +31,13 @@
         <mat-cell *matCellDef="let row">{{row.name}}</mat-cell>
       </ng-container>
 
-      <!-- Name Column -->
+      <!-- Phone Column -->
       <ng-container matColumnDef="phone">
         <mat-header-cell *matHeaderCellDef>Phone</mat-header-cell>
         <mat-cell *matCellDef="let row">{{row.phone}}</mat-cell>
       </ng-container>
 
-      <!-- Name Column -->
+      <!-- Pax Column -->
       <ng-container matColumnDef="pax">
         <mat-header-cell *matHeaderCellDef>Pax</mat-header-cell>
         <mat-cell *matCellDef="let row">{{row.pax}}</mat-cell>