add support for ipfs files stat --with-local

Author: MichaelMure

src/files/stat.js

@@ -8,7 +8,10 @@ const transform = function (res, callback) {
     blocks: res.Blocks,
     size: res.Size,
     hash: res.Hash,
-    cumulativeSize: res.CumulativeSize
+    cumulativeSize: res.CumulativeSize,
+    withLocality: res.WithLocality || false,
+    local: res.Local || null,
+    sizeLocal: res.SizeLocal || null
   })
 }