Pulkit

Address Docs related concerns @alexeyr

*[`lib/react_on_rails/helper.rb` line 99 at r13](https://reviewable.io/reviews/shakacode/react_on_rails/1455#-N7rC0gp7ROXZIv4crhC:-N9cDMow2i2J84Itx3L2:busaxrw) ([raw file](https://github.com/shakacode/react_on_rails/blob/92a86139fd06df2abb293015a3faadcb94f3930b/lib/react_on_rails/helper.rb#L99)):* Previously, justin808 (Justin Gordon) wrote… What will happen in tests? Can we be sure to have a clear error message? The react on...

*[`docs/guides/file-system-based-automated-bundle-generation.md` line 110 at r21](https://reviewable.io/reviews/shakacode/react_on_rails/1455#-N9dPxH320NpjBxBVXlZ:-N9dhBkKDq4T_2NFxP5D:b-bwc490) ([raw file](https://github.com/shakacode/react_on_rails/blob/bf61e4721231f1314f617b8580c50c1315f0db60/docs/guides/file-system-based-automated-bundle-generation.md#L110)):* Previously, justin808 (Justin Gordon) wrote… We need to mention what's happening under the hood. I think that will make the transition clear from...