add email to citizen table

src/main/resources/sql/migrations/0000-init_schema.up.sql

@@ -18,7 +18,8 @@ create table citizen
     birthday         date                                   not null,
     user_id          uuid                                   not null references "user" (id) unique,
     vote_anonymous   boolean     default true               not null,
-    follow_anonymous boolean     default true               not null
+    follow_anonymous boolean     default true               not null,
+    email            text                                   not null check ( email ~* '.+@.+\..+' )
 );
 
 create table workgroup