✨ Add testimonials page with personality-styled cards (Story 2.6)

- Add testimonials table migration with personality enum
- Create Testimonial model with HasTranslations trait
- Add TestimonialSeeder with 4 test testimonials
- Create TestimonialController and TestimonialResource
- Add useFetchTestimonials composable
- Create TestimonialCard component with personality-based styling
- Add temoignages.vue page with loading/error states
- Add testimonials translations in FR/EN

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

api/app/Http/Controllers/Api/TestimonialController.php

@@ -0,0 +1,21 @@
+<?php
+
+namespace App\Http\Controllers\Api;
+
+use App\Http\Controllers\Controller;
+use App\Http\Resources\TestimonialResource;
+use App\Models\Testimonial;
+
+class TestimonialController extends Controller
+{
+    public function index()
+    {
+        $testimonials = Testimonial::with('project')
+            ->active()
+            ->ordered()
+            ->get();
+
+        return TestimonialResource::collection($testimonials)
+            ->additional(['meta' => ['lang' => app()->getLocale()]]);
+    }
+}

api/app/Http/Resources/TestimonialResource.php

@@ -0,0 +1,30 @@
+<?php
+
+namespace App\Http\Resources;
+
+use Illuminate\Http\Request;
+use Illuminate\Http\Resources\Json\JsonResource;
+
+class TestimonialResource extends JsonResource
+{
+    public function toArray(Request $request): array
+    {
+        return [
+            'id' => $this->id,
+            'name' => $this->name,
+            'role' => $this->role,
+            'company' => $this->company,
+            'avatar' => $this->avatar,
+            'text' => $this->getTranslated('text_key'),
+            'personality' => $this->personality,
+            'display_order' => $this->display_order,
+            'project' => $this->whenLoaded('project', function () {
+                return $this->project ? [
+                    'id' => $this->project->id,
+                    'slug' => $this->project->slug,
+                    'title' => $this->project->getTranslated('title_key'),
+                ] : null;
+            }),
+        ];
+    }
+}