Suwon Chae 02-04 2681639 docs: Update docs and support english docs UNIX

Backup and Restore#

DB #

See: https://mariadb.com/kb/en/mariadb/backup-and-restore-overview

Back up various settings and files#

The entire directory specified by the YONA_DATA environment variable is kept compressed.

Note: The directory description created in YONA_DATA

- conf - where server configuration files are located
- uploads - where uploaded attachments are located
- repo - code repository files
- logs - log files