[citizen] - Add optional middleware
[citizen] - Add optional middleware

valentinchaput/app,10Pines/app,MareAtlantica/democracyos,atlatszo/evoks,alexproca/democracy-os,DemocracyOS/app,fonorobert/evoks,johnardavies/democracyos-podemos,okfn-brasil/euvoto,DemocraciaEnRed/bahiablanca,AbraaoAlves/app,vntrp/app,beomjae/app,d-cent/democracyos,dkrathi457/app,PartidoDeLaRed/app,mbhicks90/myvotes.ca,CivicTechFR/DemocracyOSFR,piratenfraktion-nrw/app,josuedor/app,solde9/app,PartidoDeLaRed/app,Nicolas-Lebreton/app,DemocracyOS/app,ben-pr-p/app,dkrathi457/app,ManuH/app,EuParticipo/Caxias,solde9/app,moustachu/democracy-os-app,huulbaek/app,kant/app,okfn-brasil/euvoto,fonorobert/evoks,atlatszo/evoks,valentinchaput/app,radvansky-tomas/app,ben-pr-p/app,huulbaek/app,mairwilliams/app,DemocraciaEnRed/comunas,120photo/app,mxabierto/colaborativa,DemocraciaEnRed/comunas,kant/app,piratenfraktion-nrw/app,vntrp/app,johnardavies/democracyos-podemos,AbraaoAlves/app,beomjae/app,DemocraciaEnRed/bahiablanca,120photo/app,Nicolas-Lebreton/app,indiofran/app,MareAtlantica/democracyos,josuedor/app,maiklaguna/app,radvansky-tomas/app,ManuH/app,mgarciaisaia/democracy-os-ues,mbhicks90/myvotes.ca,CivicTechFR/DemocracyOSFR,mairwilliams/app,EuParticipo/Caxias,alexproca/democracy-os,moustachu/democracy-os-app,indiofran/app