Add 301 redirects from getdelta.org to delta.chat about deltachat-pages

[r10s]

Done by using the following .htaccess on getdelta.org:

RewriteEngine on

RewriteRule ^de/Delta-Chat-mit https://delta.chat/de/delta-chat-mit-ende-zu-ende-verschluesselung [R=301,L]

RewriteRule ^de/(.*)$ https://delta.chat/de/$1 [R=301,L]
RewriteRule ^en/(.*)$ https://delta.chat/en/$1 [R=301,L]

RewriteCond %{HTTP:Accept-Language} ^de [NC]
RewriteRule ^help$ https://delta.chat/de/help [R=301,L]

RewriteRule ^help$ https://delta.chat/en/help [R=301,L]

RewriteRule ^admin https://github.com/r10s/deltachat-pages/ [R=301,L]

RewriteRule ^(.*)$ https://delta.chat/ [R=301,L]