Add support for pgvector container (#80)

Support backups for https://github.com/pgvector/pgvector
The container base image is `postgres`

Author: Spacetech

README.md

@@ -7,7 +7,7 @@ A script to automatically back up all databases running under docker on a host,
 ## Supported databases
 
 - MySQL (including MariaDB and LSIO's MariaDB)
-- PostgreSQL (including [TimescaleDB](https://www.timescale.com/), [pgvecto.rs](https://github.com/tensorchord/pgvecto.rs), and Nextcloud's [AIO](https://github.com/nextcloud/all-in-one))
+- PostgreSQL (including [TimescaleDB](https://www.timescale.com/), [pgvecto.rs](https://github.com/tensorchord/pgvecto.rs), [pgvector](https://github.com/pgvector/pgvector), and Nextcloud's [AIO](https://github.com/nextcloud/all-in-one))
 - Redis
 
 ## Installation

db-auto-backup.py

@@ -135,6 +135,7 @@ def backup_redis(container: Container) -> str:
             "tensorchord/pgvecto-rs",
             "nextcloud/aio-postgresql",
             "timescale/timescaledb",
+            "pgvector/pgvector",
         ],
         backup_method=backup_psql,
         file_extension="sql",