Update incoming hook documentation to more clearly state the direct message functionality
Update incoming hook documentation to more clearly state the direct message functionality

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