108537814: Implementation of 3 factor authentication.

The post register endpoint will send a random 5 digit code via sms and another via email.
If either code fails to send, the user will not be created and the person can register again.
The codes are saved to the session cookie, and expire in 1 hour.

Another iteration of this story will save the codes to a database.

app/main/views/index.py

@@ -15,19 +15,16 @@ def govuk():
 
 
 @main.route("/register-from-invite")
-@login_required
 def registerfrominvite():
     return render_template('register-from-invite.html')
 
 
 @main.route("/verify")
-@login_required
 def verify():
     return render_template('verify.html')
 
 
 @main.route("/verify-mobile")
-@login_required
 def verifymobile():
     return render_template('verify-mobile.html')
 
@@ -50,7 +47,6 @@ def addservice():
 
 
 @main.route("/two-factor")
-@login_required
 def twofactor():
     return render_template('two-factor.html')