Update en_nav_extended.md
Update en_nav_extended.md
shooterok/shooterok.github.io,immosmart/smartbox,shooterok/smartbox,Shadealex/smartbox,dkfiresky/smartbox,vmazur/smartbox,immosmart/smartbox,shooterok/smartbox,immosmart/smartbox,vmazur/smartbox,shooterok/smartbox,dkfiresky/smartbox,Shadealex/smartbox,Shadealex/smartbox,vmazur/smartbox,shooterok/shooterok.github.io,dkfiresky/smartbox,shooterok/shooterok.github.io