added ckeditor to slide form
created new first contact form

[Starts #70096100]
completed first_contact creation

[Finishes #70096100] [Finishes #70096376]
First Appointment form with nurse evaluation nested form

[Starts #70096692] [Finishes #70096738]
appeased rubocop
added pt translations to nurse eval form
updated first appointment form
lesson cms updates, form style updates
simplified participant form label translations
highlight locale in nav menu
updated form translations to user helpers

added corrected portuguese translations to many parts of the app
internationalized ckeditor for slides
finished first appointment/smartphone form

updated translations
[Finishes #70096692] [Finishes #70097088] [Starts #70097284]
updated spec to output pretty date
updated spec for first appointment feature