Translation update (sk) (#45)

Co-authored-by: Wizzard <wizzardsk@gmail.com>

reformatting using DW style

Update settings.php

Translation for da

translation update

Translation update (oc) (#24)

translation update

Update settings.php

add farsi provided by @Sam01

close #21

update fr translation

thanx @Laurent3170

close #15

Update settings.php

hand-picked from d1d4f2c3402a7e9c71dccd0de46c6e256fb2667a
see #13

Update settings.php

adding French translation contributed in #11

translation update

Update settings.php

enable use of user account

add optional field for twitter user, next to site account.

todo: @araname can you update/provide the ko translation for
```$lang['twitterUserName'] = 'Twitter account nam

enable use of user account

add optional field for twitter user, next to site account.

todo: @araname can you update/provide the ko translation for
```$lang['twitterUserName'] = 'Twitter account name of the author';``` ?

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Update settings.php

cherrypick proposed changes of #9

add author

update translation

add translation stubs

as the dokuwiki translate website does not take file headers into
account, give it something to start with

add support for media ID

close #4

adds OpenGraph and FB support

Also adds a metadata based image lookup with fallback to a default image to the Twitter card as an image is required for OGP.

close #1

add setting and fix empty description

close #2