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/text-input/text-input.component.ts

@@ -4,10 +4,17 @@ import { ControlValueAccessor, NG_VALUE_ACCESSOR } from '@angular/forms';
 /** Atom: text input. Utrecht textbox wired up as a form control (ngModel/reactive). */
 @Component({
   selector: 'app-text-input',
-  styles: [`
-    :host{display:block}
-    input{inline-size:100%;box-sizing:border-box}
-  `],
+  styles: [
+    `
+      :host {
+        display: block;
+      }
+      input {
+        inline-size: 100%;
+        box-sizing: border-box;
+      }
+    `,
+  ],
   template: `
     <input
       class="form-control"
@@ -20,9 +27,12 @@ import { ControlValueAccessor, NG_VALUE_ACCESSOR } from '@angular/forms';
       [disabled]="disabled"
       [value]="value"
       (input)="onInput($event)"
-      (blur)="onTouched()" />
+      (blur)="onTouched()"
+    />
   `,
-  providers: [{ provide: NG_VALUE_ACCESSOR, useExisting: forwardRef(() => TextInputComponent), multi: true }],
+  providers: [
+    { provide: NG_VALUE_ACCESSOR, useExisting: forwardRef(() => TextInputComponent), multi: true },
+  ],
 })
 export class TextInputComponent implements ControlValueAccessor {
   type = input<'text' | 'password' | 'email'>('text');
@@ -39,8 +49,16 @@ export class TextInputComponent implements ControlValueAccessor {
     this.value = (e.target as HTMLInputElement).value;
     this.onChange(this.value);
   }
-  writeValue(v: string) { this.value = v ?? ''; }
-  registerOnChange(fn: (v: string) => void) { this.onChange = fn; }
-  registerOnTouched(fn: () => void) { this.onTouched = fn; }
-  setDisabledState(d: boolean) { this.disabled = d; }
+  writeValue(v: string) {
+    this.value = v ?? '';
+  }
+  registerOnChange(fn: (v: string) => void) {
+    this.onChange = fn;
+  }
+  registerOnTouched(fn: () => void) {
+    this.onTouched = fn;
+  }
+  setDisabledState(d: boolean) {
+    this.disabled = d;
+  }
 }