Update Configuration-Settings.md
Update Configuration-Settings.md

Move push notification Settings under email settings
rompic/platform,rahulltkr/platform,florianorben/platform,fosstp/platform,bkeroack/platform,npcode/platform,bkeroack/platform,florianorben/platform,tbalthazar/platform,ninja-/platform,samogot/platform,cyanlime/platform,npcode/platform,kernicPanel/platform,fosstp/platform,ttyniwa/platform,ttyniwa/platform,ninja-/platform,ttyniwa/platform,florianorben/platform,42wim/platform,rgarmsen2295/platform,ttyniwa/platform,rgarmsen2295/platform,42wim/platform,numericube/platform,bkeroack/platform,mozilla/mattermoz,rahulltkr/platform,mozilla/mattermoz,dimitertodorov/platform,ZBoxApp/platform,cadecairos/mattermoz,cyanlime/platform,ZBoxApp/platform,tbolon/platform,kernicPanel/platform,lawrenae/mattermost,florianorben/platform,fosstp/platform,daizenberg/platform,cadecairos/mattermoz,cadecairos/mattermoz,bkeroack/platform,dotcominternet/platform,samogot/platform,rahulltkr/platform,mozilla/mattermoz,npcode/platform,asaadmahmoodspin/platform,rgarmsen2295/platform,lawrenae/mattermost,kernicPanel/platform,mozilla/mattermoz,npcode/platform,trashcan/platform,numericube/platform,ninja-/platform,kernicPanel/platform,asaadmahmoodspin/platform,dimitertodorov/platform,florianorben/platform,numericube/platform,rompic/platform,tbolon/platform,samogot/platform,npcode/platform,cadecairos/mattermoz,fosstp/platform,ninja-/platform,rgarmsen2295/platform,rahulltkr/platform,tbolon/platform,daizenberg/platform,lawrenae/mattermost,kernicPanel/platform,mozilla/mattermoz,cyanlime/platform,rompic/platform,lawrenae/mattermost,42wim/platform,ninja-/platform,asaadmahmoodspin/platform,dotcominternet/platform,dotcominternet/platform,trashcan/platform,cyanlime/platform,bkeroack/platform,lawrenae/mattermost,tbolon/platform,trashcan/platform,ZBoxApp/platform,tbalthazar/platform,rgarmsen2295/platform,tbolon/platform,ttyniwa/platform,daizenberg/platform,trashcan/platform,ZBoxApp/platform,trashcan/platform,ZBoxApp/platform,dotcominternet/platform,tbalthazar/platform,cadecairos/mattermoz,dimitertodorov/platform