mbsync: update docs
mbsync: update docs

lightwang1/beets,gabrielaraujof/beets,tima/beets,shamangeorge/beets,ruippeixotog/beets,diego-plan9/beets,mried/beets,krig/beets,shamangeorge/beets,kelvinhammond/beets,untitaker/beets,imsparsh/beets,Freso/beets,mathstuf/beets,randybias/beets,swt30/beets,jayme-github/beets,MyTunesFreeMusic/privacy-policy,dfc/beets,marcuskrahl/beets,madmouser1/beets,ibmibmibm/beets,jcoady9/beets,diego-plan9/beets,sampsyo/beets,Freso/beets,multikatt/beets,LordSputnik/beets,multikatt/beets,asteven/beets,LordSputnik/beets,swt30/beets,multikatt/beets,artemutin/beets,Kraymer/beets,tima/beets,dfc/beets,randybias/beets,artemutin/beets,madmouser1/beets,jackwilsdon/beets,tima/beets,parapente/beets,MyTunesFreeMusic/privacy-policy,dfc/beets,xsteadfastx/beets,diego-plan9/beets,PierreRust/beets,marcuskrahl/beets,mosesfistos1/beetbox,asteven/beets,randybias/beets,drm00/beets,lengtche/beets,bj-yinyan/beets,PierreRust/beets,arabenjamin/beets,kareemallen/beets,Andypsamp/CODjunit,untitaker/beets,PierreRust/beets,kelvinhammond/beets,bj-yinyan/beets,artemutin/beets,mathstuf/beets,multikatt/beets,Freso/beets,lengtche/beets,jcoady9/beets,lightwang1/beets,YetAnotherNerd/beets,moodboom/beets,pkess/beets,m-urban/beets,shanemikel/beets,jcoady9/beets,Dishwishy/beets,sampsyo/beets,krig/beets,bj-yinyan/beets,ibmibmibm/beets,beetbox/beets,untitaker/beets,diego-plan9/beets,Kraymer/beets,SusannaMaria/beets,mried/beets,LordSputnik/beets,gabrielaraujof/beets,SusannaMaria/beets,untitaker/beets,Andypsamp/CODjunit,mathstuf/beets,m-urban/beets,marcuskrahl/beets,MyTunesFreeMusic/privacy-policy,mried/beets,kelvinhammond/beets,jbaiter/beets,moodboom/beets,jmwatte/beets,jmwatte/beets,YetAnotherNerd/beets,shamangeorge/beets,jmwatte/beets,shanemikel/beets,Kraymer/beets,andremiller/beets,drm00/beets,jayme-github/beets,ibmibmibm/beets,ruippeixotog/beets,Wen777/beets,krig/beets,moodboom/beets,parapente/beets,andremiller/beets,swt30/beets,Andypsamp/CODjunit,mosesfistos1/beetbox,YetAnotherNerd/beets,parapente/beets,jackwilsdon/beets,mried/beets,asteven/beets,ttsda/beets,ibmibmibm/beets,jmwatte/beets,randybias/beets,Andypsamp/CODfinalJUNIT,jackwilsdon/beets,sampsyo/beets,jcoady9/beets,artemutin/beets,lightwang1/beets,kareemallen/beets,andremiller/beets,beetbox/beets,Andypsamp/CODfinalJUNIT,mosesfistos1/beetbox,arabenjamin/beets,sadatay/beets,Dishwishy/beets,drm00/beets,Dishwishy/beets,gabrielaraujof/beets,Kraymer/beets,lightwang1/beets,kareemallen/beets,arabenjamin/beets,Andypsamp/CODfinalJUNIT,SusannaMaria/beets,sadatay/beets,imsparsh/beets,xsteadfastx/beets,Wen777/beets,kareemallen/beets,ttsda/beets,YetAnotherNerd/beets,marcuskrahl/beets,lengtche/beets,drm00/beets,PierreRust/beets,SusannaMaria/beets,asteven/beets,swt30/beets,m-urban/beets,LordSputnik/beets,dfc/beets,beetbox/beets,ruippeixotog/beets,Andypsamp/CODfinalJUNIT,pkess/beets,pkess/beets,madmouser1/beets,gabrielaraujof/beets,ruippeixotog/beets,pkess/beets,sadatay/beets,Dishwishy/beets,sadatay/beets,sampsyo/beets,imsparsh/beets,Freso/beets,Andypsamp/CODfinalJUNIT,shanemikel/beets,lengtche/beets,imsparsh/beets,madmouser1/beets,mathstuf/beets,m-urban/beets,shamangeorge/beets,jackwilsdon/beets,tima/beets,ttsda/beets,moodboom/beets,xsteadfastx/beets,mosesfistos1/beetbox,xsteadfastx/beets,jbaiter/beets,Andypsamp/CODjunit,MyTunesFreeMusic/privacy-policy,parapente/beets,kelvinhammond/beets,Wen777/beets,Andypsamp/CODjunit,beetbox/beets,shanemikel/beets,arabenjamin/beets,ttsda/beets,bj-yinyan/beets