added index support for file collections

lib/router.js

@@ -68,8 +68,6 @@ var router = module.exports = function (req, res, next) {
     };
     return next();
   }
-
-  
     
   // first look for a resource at the given path
   // eg. `/todos` or `/my-files`

lib/types/static.js

@@ -28,7 +28,25 @@ module.exports = function (req, res, next, use) {
   
   // list files
   if(!filename) {
-    req.directory = true;
+    // return index.html if it exists
+    req.query._id = 'index.html';
+    storage.exec(req, function (err, body) {
+      if(!req.isRoot && body && body.file) {
+        res.header('Content-Type', mimeType);
+        res.header('Transfer-Encoding', 'chunked');
+        body.file.stream(true).pipe(res);
+      } else {
+        // just display the directory
+        delete req.query._id;
+        req.directory = true;
+        storage.exec(req, function (err, body) {
+          res.data = body;
+          next(err);
+        });
+      }
+    });
+    
+    return;
   }
   
   // require a content type