* Adds example for dev_mode and updates doc * Addresses review comments * Update frame/examples/dev-mode/src/lib.rs Co-authored-by: Kian Paimani <5588131+kianenigma@users.noreply.github.com> * Addresses review comment --------- Co-authored-by: Kian Paimani <5588131+kianenigma@users.noreply.github.com>