add: "town square" community option

with a town square community, users can post directly from their profiles!

crates/app/src/public/html/root.html

@@ -95,6 +95,7 @@
                 const atto = ns("atto");
 
                 atto.disconnect_observers();
+                atto.remove_false_options();
                 atto.clean_date_codes();
                 atto.link_filter();