Trim GRIDS URLs before parsing them

src/gd_grids.erl

@@ -59,7 +59,7 @@
          Reason      :: bad_url.
 
 parse(URL) ->
-    case uri_string:parse(URL) of
+    case uri_string:parse(string:trim(URL)) of
         #{path := "/1/s/" ++ R, host := H, query := Q, scheme := "grids"} ->
             spend(R, chain, list_to_binary(H), Q);
         #{path := "/1/s/" ++ R, host := H, query := Q, scheme := "grid"} ->