docs: "using plugins" section
docs: "using plugins" section

Plugin pages can now link to :ref:`using-plugins` for instructions.

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