fix: add settings column to postgres

migrations/20200227202711-settings.js

@@ -0,0 +1,22 @@
+/* eslint camelcase: "off" */
+'use strict';
+
+exports.up = function(db, cb) {
+    return db.createTable(
+        'settings',
+        {
+            name: {
+                type: 'string',
+                length: 255,
+                primaryKey: true,
+                notNull: true,
+            },
+            content: { type: 'json' },
+        },
+        cb
+    );
+};
+
+exports.down = function(db, cb) {
+    return db.dropTable('settings', cb);
+};