BTHLABS-56: _Copy share link_ button in view association page

Co-authored-by: Tomek Wójcik <labs@tomekwojcik.pl>
Co-committed-by: Tomek Wójcik <labs@tomekwojcik.pl>

services/backend/hotpocket_backend/apps/ui/views/associations.py

@@ -198,12 +198,21 @@ def view(request: HttpRequest, pk: uuid.UUID) -> HttpResponse:
         if is_share is True:
             show_controls = show_controls and False
 
+    share_url = reverse(
+        'ui.associations.view',
+        args=(association.pk,),
+        query=[
+            ('share', 'true'),
+        ],
+    )
+
     return render(
         request,
         'ui/associations/view.html',
         {
             'association': association,
             'show_controls': show_controls,
+            'share_url': share_url,
         },
     )