ajout d'un toggle pour permission d'upload des documents dans admin pannel

ajout de compteur d'heure disponible
ajout du calendrier de dispo dans les profils publics

app/templates/pages/admin.html

@@ -82,6 +82,33 @@
         </div>
     </div>
 
+    <div class="card">
+        <div class="card-header">
+            <h3><i class="fas fa-toggle-{% if settings.document_uploads_enabled %}on{% else %}off{% endif %}"></i> Document Uploads</h3>
+        </div>
+        <div class="card-body">
+            <p>
+                Status:
+                <span class="badge badge-{% if settings.document_uploads_enabled %}success{% else %}danger{% endif %}">
+                    {% if settings.document_uploads_enabled %}ENABLED{% else %}DISABLED{% endif %}
+                </span>
+            </p>
+            <p class="text-muted" style="font-size: 0.85rem; margin: 8px 0;">
+                {% if settings.document_uploads_enabled %}
+                    Managers and coaches can upload contracts. Players can upload signed contracts.
+                {% else %}
+                    Only admins can upload or sign contracts. Other roles are blocked.
+                {% endif %}
+            </p>
+            <form method="POST" action="{{ url_for('admin.toggle_document_uploads') }}">
+                <input type="hidden" name="csrf_token" value="{{ csrf_token() }}"/>
+                <button type="submit" class="btn btn-{% if settings.document_uploads_enabled %}warning{% else %}success{% endif %}">
+                    {% if settings.document_uploads_enabled %}Disable Uploads{% else %}Enable Uploads{% endif %}
+                </button>
+            </form>
+        </div>
+    </div>
+
     <div class="card">
         <div class="card-header">
             <h3><i class="fas fa-calendar-check"></i> Season Management</h3>