Pontoon: Update Mixtepec Mixtec (mix) localization of Firefox Send

Localization authors:
- Bald3mar <baldemarls@gmail.com>

public/locales/mix/send.ftl

@@ -110,6 +110,7 @@ tooManyArchives =
     }
 expiredTitle = Koo enlace inka
 downloadFirefox = Snuú { -firefox }
+legalTitle = Tu'un privacidad { -send-short-brand }
 legalDateStamp = Versión 1.0 del 12 de marzo de 2019
 # A short representation of a countdown timer containing the number of days, hours, and minutes remaining as digits, example "2d 11h 56m"
 expiresDaysHoursMinutes = { $days }d { $hours }h { $minutes }m
@@ -135,12 +136,16 @@ accountBenefitTimeLimit =
        *[other] Ku kunka tutu ku mancha { $count } kii
     }
 accountBenefitSync = Stucha tutu tsi nchi kaa ndusu niku
+accountBenefitMoz = Kavi tutú tsa { -mozilla }
 signOut = Kee
 okButton = Vaá
 downloadingTitle = Snuì
+noStreamsWarning = Ku ña navegador yo ma ku mini iin tutú kanu.
 noStreamsOptionCopy = Ndatava enlace takua kunu tsi inka navegador
+noStreamsOptionFirefox = Kuachu'un navegador ña va'a nu ntia
 noStreamsOptionDownload = Kunka tsi navegador yo
 # the next line after the colon contains a file name
 shareLinkDescription = Stucha enlace tutu ku:
 shareLinkButton = Stucha Enlace
+trailheadPromo = Ku china vau ña chau. Kita'an tsi Firefox.
 learnMore = Skua'a kuakaa.