Add self-hosted project folder

README-Postgres-Upgrade.md

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+
+## Upgrade Modes
+> [`Cloud Servers`](https://phx-erp.youtrack.cloud/articles/INT-A-105/PostgreSQL-Docker-Upgrade-Rollback-Guide-Any-Version-Any-Version?edit=true)
+> [`Self Hosted`](https://phx-erp.youtrack.cloud/articles/INT-A-106/PostgreSQL-Upgrade-Rollback-Self-Hosted)
+
+# Quick Move
+
+## Upgrade PostgreSQL
+```bash
+docker compose --profile postgres-upgrade run --rm postgres-auto-upgrade
+```
+
+## Rollback PostgreSQL (if needed)
+```bash
+docker compose --profile postgres-rollback run --rm postgres-auto-rollback
+```