style: format frontend, docs and skills with prettier; add .prettierignore

One-time prettier --write so the new format:check CI gate starts green.
.prettierignore excludes generated (api-client.ts, documentation.json),
vendored (public/cibg-huisstijl), and backend (dotnet format owns it).

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

src/app/shared/ui/review-section/review-section.component.ts

@@ -13,7 +13,9 @@ import { DataBlockComponent } from '@shared/ui/data-block/data-block.component';
       <h2>{{ heading() }}</h2>
       @if (showEdit()) {
         <div class="ms-auto">
-          <a href="#" [attr.aria-label]="editAriaLabel() || editLabel()" (click)="onEdit($event)">{{ editLabel() }}</a>
+          <a href="#" [attr.aria-label]="editAriaLabel() || editLabel()" (click)="onEdit($event)">{{
+            editLabel()
+          }}</a>
         </div>
       }
     </div>