added dotenv & chronosmicro/tracker as dependency

Co-authored-by: Jon Cruz
<Jrcrz@users.noreply.github.com>
Co-authored-by: Elena Atencio
<elenaatencio@users.noreply.github.com>
Co-authored-by: Iris Wong
<wiris316@users.noreply.github.com>

Author: jdonuto