Add db migration management infratructure

test/server/managers/migrations/v1.2.0-migration.js

@@ -0,0 +1,9 @@
+async function up() {
+  console.log('v1.2.0 up')
+}
+
+async function down() {
+  console.log('v1.2.0 down')
+}
+
+module.exports = { up, down }