started some app structure

back/routers/mail.js

@@ -23,7 +23,7 @@ router.get("/{mailboxId}/messages", (req, res) => {
     // todo check token
     // todo use offset
     const query = ``;
-    SELECT header_fields.value FROM header_fields INNER JOIN field_names WHERE header_fields.field = field_names.id AND (field_names.name = "subject" OR field_names.name = "date"); ORDER BY messages.idate
+    // SELECT header_fields.value FROM header_fields INNER JOIN field_names WHERE header_fields.field = field_names.id AND (field_names.name = "subject" OR field_names.name = "date"); ORDER BY messages.idate
     // number of message missed in the room
 });