refactoring db seed

server/db/sql/create/createcmp_usersubscriptions.sql

@@ -0,0 +1,5 @@
+CREATE TABLE IF NOT EXISTS recipin.cmp_usersubscriptions (
+    id INT GENERATED BY DEFAULT AS IDENTITY PRIMARY KEY,
+    collectionid int REFERENCES recipin.collection (id),
+    usermemberid int REFERENCES recipin.appusers (id)
+);