add directory for common assets

common/prisma/migrations/20240828105009_remove_mqtt_connection_state_column/migration.sql

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+/*
+  Warnings:
+
+  - You are about to drop the column `mqtt_connection_state` on the `nodes` table. All the data in the column will be lost.
+
+*/
+-- AlterTable
+ALTER TABLE `nodes` DROP COLUMN `mqtt_connection_state`;