chore: use monorepo organization

packages/server/migrations/1626891847835-add-individual-discounts.js

@@ -0,0 +1,22 @@
+var db = require('./db')
+
+exports.up = function (next) {
+  var sql = [
+    `CREATE TABLE individual_discounts (
+      id UUID PRIMARY KEY,
+      customer_id UUID NOT NULL REFERENCES customers(id),
+      discount SMALLINT NOT NULL,
+      soft_deleted BOOLEAN DEFAULT false
+    )`,
+    `CREATE UNIQUE INDEX uq_individual_discount ON individual_discounts (customer_id) WHERE NOT soft_deleted`,
+    `CREATE TYPE discount_source AS ENUM('individualDiscount', 'promoCode')`,
+    `ALTER TABLE cash_in_txs ADD COLUMN discount_source discount_source`,
+    `ALTER TABLE cash_out_txs ADD COLUMN discount_source discount_source`
+  ]
+
+  db.multi(sql, next)
+}
+
+exports.down = function (next) {
+  next()
+}