ability to share jobs with users

lib/services/storage/migrations/sql/5.job-sharing.js

@@ -0,0 +1,7 @@
+// Migration: Adding a new table to store if somebody "watches" (a.k.a favorite) a listing
+
+export function up(db) {
+  db.exec(`
+    ALTER TABLE jobs ADD COLUMN shared_with_user jsonb DEFAULT '[]'
+  `);
+}