Add new alumnigraph option

uwsgi-python/templates/apps/alumnigraph.j2

@@ -4,6 +4,7 @@ SQLALCHEMY_DATABASE_URI = "postgresql://{{ app_user }}:@/{{ app_db_name }}"
 SQLALCHEMY_TRACK_MODIFICATIONS = False
 
 YEAR_DISTANCE = {{ alumni_graph_year_distance }}
+NOTIFICATION_WAITING_PERIOD = {{ alumni_graph_notification_waiting_period }}
 
 MAIL_FROM = "{{ alumni_graph_mail_from }}"
 MAIL_REPLY_TO = "{{ alumni_graph_mail_reply_to }}"

uwsgi-python/vars/alumnigraph.yml

@@ -31,6 +31,7 @@ app_secret_config: true
 app_secret_config_keys: []
 
 alumni_graph_year_distance: 5
+alumni_graph_notification_waiting_period: 21
 alumni_graph_mail_from: "Sender <sender@example.org>"
 alumni_graph_mail_reply_to: "Reply-To <reply-to@example.org>"