[JA] Translate enum 1.7.0 (#2553)
[JA] Translate enum 1.7.0 (#2553)

* translate ja enum 1.7.0

* Update ja/lessons/basics/enum.md

Co-authored-by: marocchino <924c959d2f947b2ae3fdeabf5d926a239c5d5ef9@users.noreply.github.com>

Co-authored-by: marocchino <924c959d2f947b2ae3fdeabf5d926a239c5d5ef9@users.noreply.github.com>
doomspork/elixir_school,doomspork/elixir-school,doomspork/elixir-school,doomspork/elixir_school,doomspork/elixir_school,doomspork/elixir-school