Update CONTRIB.md to show how to add exceptions
Update CONTRIB.md to show how to add exceptions

bjorno/twofactorauth,trim108/trim108.github.io,waako/twofactorauth,Nanotraktor/twofactorauth,rmeineke/twofactorauth,rmeineke/twofactorauth,youprofit/twofactorauth,c960657/twofactorauth,tresni/twofactorauth,andrew-rolfe/twofactorauth,rugk/twofactorauth,vaibhav430/twofactorauth,maricn/twofactorauth,brycied00d/dongleauth,mark-adams/twofactorauth,waako/twofactorauth,Criminalllz/twofactorauth,jtamplin/twofactorauth,maricn/twofactorauth,plobbes/twofactorauth,allynf/twofactorauth,sevhn/twofactorauth,bceasydns/twofactorauth,briankelly/twofactorauth,brierjon/twofactorauth,MethodGrab/twofactorauth,BenBE/twofactorauth,ahelpingchip/twofactorauth,cez81/twofactorauth,cez81/twofactorauth,plobbes/twofactorauth,psugand/twofactorauth,veratu/twofactorauth,tresni/twofactorauth,mark-adams/twofactorauth,allynf/twofactorauth,allynf/twofactorauth,01000101/twofactorauth,ESWAT/twofactorauth,rmeineke/twofactorauth,smholloway/twofactorauth-1,jdavis/twofactorauth,captn3m0/twofactorauth,kbuley/dongleauth,stephengroat/twofactorauth,vgarmash/twofactorauth,NormandLemay/twofactorauth,kojaxs/twofactorauth,Jawshy/twofactorauth,gingerbeardman/twofactorauth,benjholla/twofactorauth,ilyakatz/twofactorauth,hoovercj/perfectpass,darconeous/dongleauth,captn3m0/twofactorauth,vgarmash/twofactorauth,Nanotraktor/twofactorauth,Jawshy/twofactorauth,plobbes/twofactorauth,briankelly/twofactorauth,maricn/twofactorauth,sevhn/twofactorauth,mcdanielisaac/twofactorauth,youprofit/twofactorauth,erikblake/twofactorauth,veratu/twofactorauth,Canuteson/twofactorauth,denilsonsa/twofactorauth,kojaxs/twofactorauth,ben-dearmond/twofactorauth,MethodGrab/twofactorauth,bjorno/twofactorauth,hasa/twofactorauth,marcryan/twofactorauth,cez81/twofactorauth,Nanotraktor/twofactorauth,jtamplin/twofactorauth,kojaxs/twofactorauth,c960657/twofactorauth,stephengroat/twofactorauth,Nitrokey/dongleauth,rugk/twofactorauth,rabotica/twofactorauth,Jawshy/twofactorauth,amitmawkin/twofactorauth,BenBE/twofactorauth,OllieTerrance-forks/twofactorauth,sevhn/twofactorauth,Canuteson/twofactorauth,brierjon/twofactorauth,marcryan/twofactorauth,trim108/trim108.github.io,amitmawkin/twofactorauth,briankelly/twofactorauth,runasand/twofactorauth,youprofit/twofactorauth,smholloway/twofactorauth-1,ilyakatz/twofactorauth,Canuteson/twofactorauth,kbuley/dongleauth,NormandLemay/twofactorauth,hoovercj/perfectpass,BenBE/twofactorauth,ahelpingchip/twofactorauth,erikblake/twofactorauth,hilliuse/twofactorauth,smholloway/twofactorauth-1,OllieTerrance-forks/twofactorauth,rj175/twofactorauth,vgarmash/twofactorauth,thr0wable/twofactorauth,jdavis/twofactorauth,trogau/twofactorauth,hilliuse/twofactorauth,bjorno/twofactorauth,RichJeanes/twofactorauth,veratu/twofactorauth,baileybasiscode/twofactorauth,brierjon/twofactorauth,denilsonsa/twofactorauth,RichJeanes/twofactorauth,thr0wable/twofactorauth,Nitrokey/dongleauth,jdavis/twofactorauth,seitsu/twofactorauth,amitmawkin/twofactorauth,rj175/twofactorauth,RichJeanes/twofactorauth,Criminalllz/twofactorauth,darconeous/dongleauth,mark-adams/twofactorauth,trim108/trim108.github.io,seitsu/twofactorauth,rugk/twofactorauth,ESWAT/twofactorauth,psugand/twofactorauth,ESWAT/twofactorauth,hasa/twofactorauth,vaibhav430/twofactorauth,brycied00d/dongleauth,Jawshy/twofactorauth,MethodGrab/twofactorauth,captn3m0/twofactorauth,seitsu/twofactorauth,benjholla/twofactorauth,userify/twofactorauth,OllieTerrance-forks/twofactorauth,trogau/twofactorauth,runasand/twofactorauth,gingerbeardman/twofactorauth,Criminalllz/twofactorauth,stephengroat/twofactorauth,userify/twofactorauth,jtamplin/twofactorauth,ilyakatz/twofactorauth,rj175/twofactorauth,rabotica/twofactorauth,baileybasiscode/twofactorauth,marcryan/twofactorauth,01000101/twofactorauth,rabotica/twofactorauth,brycied00d/dongleauth,mcdanielisaac/twofactorauth,andrew-rolfe/twofactorauth,kbuley/dongleauth,ben-dearmond/twofactorauth,Nitrokey/dongleauth,baileybasiscode/twofactorauth,denilsonsa/twofactorauth,benjholla/twofactorauth,bceasydns/twofactorauth,bceasydns/twofactorauth,NormandLemay/twofactorauth,hoovercj/perfectpass,ahelpingchip/twofactorauth,vaibhav430/twofactorauth,gingerbeardman/twofactorauth,runasand/twofactorauth,trogau/twofactorauth,hilliuse/twofactorauth