Start database editor conversion

src/app/pages/editor/editor.page.html

@@ -31,6 +31,9 @@
           <ng-container *ngIf="node.isNorm()">
             <editor-norm style="flex: 1;" [nodeId]="node.UUID"></editor-norm>
           </ng-container>
+          <ng-container *ngIf="node.type === 'database_ref'">
+            <editor-database style="flex: 1;" [nodeId]="node.UUID"></editor-database>
+          </ng-container>
           <ng-container *ngIf="node.type === 'code_ref'">
             <editor-code style="flex: 1;" [nodeId]="node.UUID"></editor-code>
           </ng-container>

src/app/pages/editor/editor.page.scss

@@ -25,7 +25,7 @@ ion-icon.invisible {
     color: var(--noded-background-code);
   }
 
-  &.db {
+  &.database_ref {
     color: var(--noded-background-db);
   }
 }

src/app/pages/editor/editor.page.ts

@@ -23,6 +23,7 @@ export class EditorPage implements OnInit {
     norm: 'fa fa-quote-left',
     page: 'fa fa-sticky-note',
     db: 'fa fa-database',
+    database_ref: 'fa fa-database',
     code: 'fa fa-code',
     code_ref: 'fa fa-code',
   };