Add edit and wiki links to project page template

templates/project/one.hamlet

@@ -16,6 +16,9 @@ $# <http://creativecommons.org/publicdomain/zero/1.0/>.
   This is the project page for <b>#{prj2text proj}</b>, shared by
   <b>#{shr2text shar}</b>.
 
+<p>
+  <a href=@{ProjectEditR shar proj}>Edit this project
+
 <ul>
   <li>
     Human-friendly name: #{fromMaybe "(none)" $ projectName project}
@@ -48,3 +51,11 @@ $else
         <td>
           $maybe desc <- repoDesc repository
             #{desc}
+
+<h2>Wiki
+
+<p>
+  $maybe _wiki <- projectWiki project
+    <a href=@{WikiPageR shar proj []}>Wiki
+  $nothing
+    This project doesn’t have a wiki.