add terms deref to hob/hdo

Author: saidfathalla

hob/.htaccess

@@ -23,6 +23,7 @@ RewriteRule ^hdo.owl$  https://gitlab.hzdr.de/hmc/hmc-public/hob/hdo/-/raw/main/
 RewriteCond %{HTTP_ACCEPT} text/html [NC,OR]
 RewriteCond %{HTTP_ACCEPT} application/xhtml\+xml [NC]
 RewriteRule ^hdo$ https://materials-data-science-and-informatics.github.io/Helmholtz-Digitisation-Ontology-Documentation/index-en.html [R=303,L]
+RewriteRule ^(HDO_[0-9]+)$ https://materials-data-science-and-informatics.github.io/Helmholtz-Digitisation-Ontology-Documentation/index-en.html#https://purls.helmholtz-metadaten.de/hob/$1  [R=303,NE,L]
 
 ## redirects hdo imports
 RewriteRule ^hdo/imports/(.*)$ https://gitlab.hzdr.de/hmc/hmc-public/hob/hdo/-/raw/main/src/ontology/imports/$1 [R=301,NC,L]