added index renderer

ren/collections/index.hoon

@@ -0,0 +1,53 @@
+/-  collections
+/+  rekey, old-zuse
+/=  gas  /$  fuel:html
+/=  x  /^  (map knot topicful:collections)  /_  /collections-topic-full/  
+::  need a way to get the content
+/=  y  /^  config:collections  /%  /&collections-config&/txt/
+|%
+++  authed
+    %+  lien
+      ~(tap in (~(get ju aut.ced.gas) %$)) 
+    |=  a/knot 
+    =((scot %p p.bem.gas) a)
+--
+^-  manx
+=,  old-zuse
+;div
+  ;h1: {(trip desc.y)}
+  ;*  ?:  authed
+    ;=
+      ;a(href "")
+        ;button.btn.btn-secondary
+          Write →
+        ==
+      ==
+    ==
+  ;=
+    ;a(href "")
+      ;button.btn.btn-primary
+        Subscribe →
+      ==
+    ==
+  ==
+  ;ul
+  ;*  %+  turn
+        %+  sort
+          ~(tap by x)
+          ::aor
+        |=  [a=(pair knot topicful:collections) b=(pair knot topicful:collections)]
+        ::&
+        (gth (unt (slav %da p.a)) (unt (slav %da p.b)))
+      |=  [t=knot con=topicful:collections]
+      ;li
+        ;div
+          ;a(href "{(trip t)}")
+            {(trip t)}
+          ==
+        ==
+        ;div
+          ;h2: {(trip tit.info.con)}
+        ==
+      ==
+  ==
+==