Phase 3: HTMX & Alpine.js integration, router refactoring, and UI modernization

- Modernized the frontend with HTMX for server-driven UI and Alpine.js for client state.
- Refactored anime, player, and recommendation logic into modular routers.
- Updated README.md to reflect the latest project state and technologies (v2.4).
- Added Plyr.io for an improved streaming experience.
- Improved project structure with componentized templates.
- Added Playwright and Vitest configuration for frontend testing.

templates/components/series_search_results.html

@@ -0,0 +1,38 @@
+{% from "components/series_card.html" import series_card %}
+
+<div class="search-results-container">
+    {% if results %}
+        {% for provider_id, items in results.items() %}
+            <div class="provider-section">
+                <h3 class="provider-title">{{ provider_id | upper }}</h3>
+                <div class="anime-grid">
+                    {% for series in items %}
+                        {{ series_card(series) }}
+                    {% endfor %}
+                </div>
+            </div>
+        {% endfor %}
+    {% else %}
+        <div class="no-results">
+            <i class="fas fa-search"></i>
+            <p>Aucune série TV trouvée pour votre recherche.</p>
+        </div>
+    {% endif %}
+</div>
+
+<style>
+.provider-section { margin-bottom: 40px; }
+.provider-title { 
+    color: var(--secondary);
+    margin-bottom: 20px;
+    font-size: 1.2rem;
+    text-transform: uppercase;
+    letter-spacing: 1px;
+}
+.no-results {
+    text-align: center;
+    padding: 100px 20px;
+    color: var(--text-dim);
+}
+.no-results i { font-size: 4rem; margin-bottom: 20px; display: block; opacity: 0.2; }
+</style>