Add seafile to BigBearCasaOS

[Jeremy_Galbraith]

SeaFile is an alternative to nextcloud, meant to be faster and easier to use for self hosters

https://manual.seafile.com/docker/deploy_seafile_with_docker/

[dragonfire1119]

Thank you for the suggestion, which has been added to the roadmap.

[dragonfire1119]

This has been added:

Added Seafile to BigBearCasaOS

About Seafile is an open source file sync and share platform, focusing on reliability and performance. Seafile’s built-in collaborative document SeaDoc, make it easy for collaborative writing and publishing documents. App Store Instructions default username and password are: Username: admin@example.com Password: asecret