bundles/navidrome: more proxy_read_timeout

bundles/navidrome/metadata.py

@@ -72,6 +72,10 @@ def nginx(metadata):
                     'locations': {
                         '/': {
                             'target': f'http://127.0.0.1:{metadata.get('navidrome/config/Port')}',
+                            # some requests take a loooooong time (for example,
+                            # "delete all missing files" will wait until
+                            # everything has been purged from the database)
+                            'proxy_read_timeout': '1h',
                         },
                     },
                     'website_check_path': '/user/login',