How to treat my non-resident spouse as resident and file jointly ?

I am a U.S citizen and my spouse is non-resident (F1 since Oct 2014, now working with EAD) and has SSN. We married on Aug 2018, and we would like to file jointly for the first time. Only my spouse has income, I am a full-time student.

We have three questions :

1. When filing jointly, does the order of the name in "Your First Name" and "If Joint Return, Spouse's First Name" in populated 1040 form matter ? (see file attached) 
   
2. Do we have to file physically by mail in order to attach the statement for making the election to treat non-resident as a resident of the United States under IRC § 6013(g)? Is there a form that we have to fill or any specific format that we have to follow ? 
3. We don't have global income, but have global assets (over $10,000 less than $100,000). How do we file FBAR?  Can we e-file FBAR separately with this website https://bsaefiling.fincen.treas.gov/NoRegFBARFiler.html