add spanish to config
Merge branch 'master' into add-lang-spanish
Update 2020-04-04
adde Spanish (42% translated)
Co-authored-by: 6543 <6543@obermui.de>
Reviewed-on: https://gitea.com/gitnex/GitNex/pulls/353
Reviewed-by: M M Arif <mmarif@swatian.com>