update host-meta templates to return webfinger/LRDD links

templates/host-meta.jrd

@@ -2,7 +2,7 @@
   {
     "rel": "lrdd",
     "type": "application/json",
-    "template": "https://{{ host }}/{uri}&format=json"
+    "template": "{{ host_uri }}/.well-known/webfinger?resource={uri}"
    }
   ]
 }

templates/host-meta.xrd

@@ -1,4 +1,5 @@
 <?xml version='1.0' encoding='UTF-8'?>
 <XRD xmlns='http://docs.oasis-open.org/ns/xri/xrd-1.0'>
-  <Link rel='lrdd' type='application/xrd+xml' template='https://{{ host }}/{uri}' />
+  <Link rel='lrdd' type='application/json'
+        template='{{ host_uri }}/.well-known/webfinger?resource={uri}' />
 </XRD>

templates/host-meta.xrds

@@ -3,8 +3,8 @@
        xmlns="xri://$XRD*($v*2.0)" version="2.0">
     <Type>xri://$xrds*simple</Type>
     <Service>
-      <Type>http://portablecontacts.net/spec/1.0</Type>
-      <URI>https://{{ host }}/{uri}</URI>
+      <Type>lrdd</Type>
+      <URI>{{ host_uri }}/.well-known/webfinger?resource={uri}</URI>
     </Service>
   </XRD>
 </XRDS>