Db migration to support custom order of bookmarks. Created route to reorder bookmarks. Added more sorting options to bookmark controllers. Simplified ordering in getAllApps controller

db/migrations/04_bookmarks-order.js

@@ -0,0 +1,19 @@
+const { DataTypes } = require('sequelize');
+const { INTEGER } = DataTypes;
+
+const up = async (query) => {
+  await query.addColumn('bookmarks', 'orderId', {
+    type: INTEGER,
+    allowNull: true,
+    defaultValue: null,
+  });
+};
+
+const down = async (query) => {
+  await query.removeColumn('bookmarks', 'orderId');
+};
+
+module.exports = {
+  up,
+  down,
+};