Chore: Renamed the Ledger Table to Account

Chore: Renamed the Ledger Model to Account
Chore: Renamed LedgerType to AccountType
Chore: Renamed all properties of Account table to lowercase with underscores

Feature: Starred Accounts and their entries do not delete during a rebase.
Info: Starred Vouchers still delete. They can be starred, but have no effect.

overlord/src/app/account/account-detail/account-detail.component.css

@@ -0,0 +1,7 @@
+.gold {
+  color: gold;
+}
+
+.pointer {
+  cursor: pointer;
+}

overlord/src/app/account/account-detail/account-detail.component.html

@@ -2,6 +2,9 @@
   <mat-card fxFlex>
     <mat-card-title-group>
       <mat-card-title>Account</mat-card-title>
+      <mat-icon matSuffix (click)="item.isStarred = !item.isStarred" class="pointer" [class.gold]="item.isStarred">
+        {{ item.isStarred ? 'star' : 'star_border' }}
+      </mat-icon>
     </mat-card-title-group>
     <mat-card-content>
       <form [formGroup]="form" fxLayout="column">

overlord/src/app/account/account-list/account-list.component.css

@@ -0,0 +1,3 @@
+.gold {
+  color: gold;
+}

overlord/src/app/account/account-list/account-list.component.html

@@ -20,7 +20,13 @@
       <!-- Name Column -->
       <ng-container matColumnDef="name">
         <mat-header-cell *matHeaderCellDef mat-sort-header>Name</mat-header-cell>
-        <mat-cell *matCellDef="let row"><a [routerLink]="['/Account', row.id]">{{row.name}}</a></mat-cell>
+        <mat-cell *matCellDef="let row">
+          <a [routerLink]="['/Account', row.id]">
+            <mat-icon matSuffix *ngIf="row.isStarred" class="gold">star
+            </mat-icon>
+            {{row.name}}
+          </a>
+        </mat-cell>
       </ng-container>
 
       <!-- Type Column -->

overlord/src/app/account/account.ts

@@ -9,6 +9,7 @@ export class Account {
   type: AccountType;
   isActive: boolean;
   isReconcilable: boolean;
+  isStarred: boolean;
   isFixture: boolean;
   costCentre: CostCentre;