fix redirection; add FSFE to projects

.htaccess

@@ -17,9 +17,9 @@ RewriteRule ^(.*) http://mehl.mx/$1 [R=301,L]
 # Rewrite URL/de to URL/index.de.php
 RewriteRule ^(..)/?$ /index.$1.php
 # Rewrite e.g. URL/en/contact to URL/contact.en.php
-RewriteRule ^(..)/(.*)$ /$2.$1.php
+RewriteRule ^(..)/(.*)/?$ /$2.$1.php
 # Rewrite empty URL to standard index page
-RewriteRule ^$ index.de.php
+RewriteRule ^/?$ index.de.php
 # Rewrite e.g. URL/contact to URL/de/contact and make it visible
 RewriteRule ^([a-z]+)/?$ /de/$1 [R=301,L]