hydra: added rewrites for subpath extension/

hydra/.htaccess

@@ -1,3 +1,5 @@
+# Created by Markus Lanthaler
+
 Options +FollowSymLinks
 RewriteEngine on
 RewriteRule (.*) http://www.markus-lanthaler.com/hydra/$1 [R=302,L]

hydra/README.md

@@ -0,0 +1,10 @@
+# Hydra Core Vocabulary and extensions
+
+URLs:
+- https://w3id.org/hydra/
+- https://w3id.org/hydra/extension/
+- https://w3id.org/hydra/extension/*/
+
+Contact: [Hydra Community Group](https://hydra-cg.com) <[email protected]>
+
+W3ID created by [Markus Lanthaler](https://github.com/lanthaler), maintained by [Tomasz Pluskiewicz](https://github.com/tpluscode) and [Karol Szczepański](https://github.com/alien-mcl)

hydra/extension/.htaccess

@@ -0,0 +1,32 @@
+# Created by Tomasz Pluskiewicz
+
+Options +FollowSymLinks
+
+AddType application/rdf+xml .rdf
+AddType application/ld+json .jsonld
+AddType application/n-triples .nt
+AddType text/turtle .ttl
+
+RewriteEngine on
+
+# Redirect HTML requests to extensions home page
+RewriteCond %{HTTP_ACCEPT} !application/rdf\+xml.*(text/html|application/xhtml\+xml|text/\*|\*/\*)
+RewriteCond %{HTTP_ACCEPT} text/html [OR]
+RewriteCond %{HTTP_ACCEPT} application/xhtml\+xml [OR]
+RewriteCond %{HTTP_ACCEPT} text/\* [OR]
+RewriteCond %{HTTP_ACCEPT} \*/\* [OR]
+RewriteCond %{HTTP_USER_AGENT} ^Mozilla/.*
+RewriteRule ^$ https://hydracg.github.io/extensions/ [R=303,L]
+
+# Redirect RDF serilizations to their respective documens
+RewriteCond %{HTTP_ACCEPT} ^.*application/rdf\+xml.*
+RewriteRule ^$ https://hydracg.github.io/extensions.rdf [R=303,L]
+RewriteCond %{HTTP_ACCEPT} ^.*application/n-triples.*
+RewriteRule ^$ https://hydracg.github.io/extensions.nt [R=303,L]
+RewriteCond %{HTTP_ACCEPT} ^.*application/ld\+json.*
+RewriteRule ^$ https://hydracg.github.io/extensions.jsonld [R=303,L]
+RewriteCond %{HTTP_ACCEPT} ^.*text/turtle.*
+RewriteRule ^$ https://hydracg.github.io/extensions.ttl [R=303,L]
+
+# Subpaths are all HTML
+RewriteRule (.*) https://hydracg.github.io/extensions/$1 [R=303,L]