Prettied, Linted and updated angular.json according to the latest schematic of Angular CLI.

Now all that is needed is to make it ready for strict compiling.
Removed eslint-plugin-prettier as it is not recommended and causes errors for both eslint and prettier

Bumped to v8.0.0

overlord/src/app/journal/journal-dialog.component.ts

@@ -1,12 +1,13 @@
 import { Component, Inject, OnInit } from '@angular/core';
+import { FormBuilder, FormGroup } from '@angular/forms';
 import { MatAutocompleteSelectedEvent } from '@angular/material/autocomplete';
 import { MAT_DIALOG_DATA, MatDialogRef } from '@angular/material/dialog';
-import { FormBuilder, FormGroup } from '@angular/forms';
 import { Observable, of as observableOf } from 'rxjs';
 import { debounceTime, distinctUntilChanged, map, startWith, switchMap } from 'rxjs/operators';
-import { MathService } from '../shared/math.service';
+
 import { Account } from '../core/account';
 import { AccountService } from '../core/account.service';
+import { MathService } from '../shared/math.service';
 
 @Component({
   selector: 'app-journal-dialog',
@@ -32,7 +33,7 @@ export class JournalDialogComponent implements OnInit {
 
   ngOnInit() {
     this.form.setValue({
-      debit: '' + this.data.journal.debit,
+      debit: `${this.data.journal.debit}`,
       account: this.data.journal.account,
       amount: this.data.journal.amount,
     });
@@ -59,7 +60,7 @@ export class JournalDialogComponent implements OnInit {
     );
   }
 
-  displayAccount(account?: Account): string | undefined {
+  displayFn(account?: Account): string | undefined {
     return account ? account.name : undefined;
   }