Use /vks/ as prefix for our API.

- Fixes #59.

hagrid-routes.conf

@@ -1,22 +1,22 @@
 # this routing file is included in the hagrid http block
 # it is assumed that hagrid runs on localhost:8080
 
-location /by-email/ {
-    rewrite "^/by-email/([^/]{2})([^/]*)$" /by-email/$1/$2 break;
+location /vks/by-email/ {
+    rewrite "^/vks/by-email/([^/]{2})([^/]*)$" /by-email/$1/$2 break;
     default_type application/pgp-keys;
     add_header Content-Disposition 'attachment; filename="$1$2.asc"';
     try_files /$uri =404;
 }
 
-location /by-fingerprint/ {
-    rewrite ^/by-fingerprint/(0x)?([^/][^/])(..*)$ /by-fingerprint/$2$3 break;
+location /vks/by-fingerprint/ {
+    rewrite ^/vks/by-fingerprint/(0x)?([^/][^/])(..*)$ /vks/by-fingerprint/$2$3 break;
     default_type application/pgp-keys;
     add_header Content-Disposition 'attachment; filename="$2$3.asc"';
     try_files /by-fpr/$2/$3 @fallback;
 }
 
-location /by-keyid/ {
-    rewrite ^/by-keyid/(0x)?([^/][^/])(.*)$ /by-keyid/$2$3 break;
+location /vks/by-keyid/ {
+    rewrite ^/vks/by-keyid/(0x)?([^/][^/])(.*)$ /vks/by-keyid/$2$3 break;
     default_type application/pgp-keys;
     add_header Content-Disposition 'attachment; filename="$2$3.asc"';
     try_files /by-keyid/$2/$3 @fallback;
@@ -33,14 +33,14 @@ location /pks/lookup {
     if ($args ~ "^op=get&options=mr&?search=(0x)?([A-F0-9]{2})([A-F0-9]{14})$") {
         set $dir $2;
         set $file $3;
-        rewrite . /by-keyid/$dir/$file;
+        rewrite . /vks/by-keyid/$dir/$file;
     }
 
     # gpg --receive-keys <FINGERPRINT>
     if ($args ~ "^op=get&options=mr&?search=(0x)?([A-F0-9]{2})([A-F0-9]{38})$") {
         set $dir $2;
         set $file $3;
-        rewrite . /by-fingerprint/$dir/$file;
+        rewrite . /vks/by-fingerprint/$dir/$file;
     }
 
     # gpg --locate-key <EMAIL>
@@ -48,7 +48,7 @@ location /pks/lookup {
         set $dir $1;
         set $local $2;
         set $horst $4;
-        rewrite . /by-email/$dir/$local%40$horst;
+        rewrite . /vks/by-email/$dir/$local%40$horst;
     }
 
     proxy_pass http://127.0.0.1:8080;