Add L.TileLayer.Bing to plugins.md
Add L.TileLayer.Bing to plugins.md

msiadak/Leaflet,CapeSepias/Leaflet,Trufi/Leaflet,stefanocudini/Leaflet,iOffice/Leaflet,iOffice/Leaflet,frogcat/Leaflet,scaddenp/Leaflet,tsantacruz/RotationalMarker,jasonoverland/Leaflet,CapeSepias/Leaflet,Trufi/Leaflet,jasonoverland/Leaflet,geoloep/Leaflet,CapeSepias/Leaflet,msiadak/Leaflet,sisou/Leaflet,Neorth/Leaflet,Ubisense/Leaflet,AP-whitehat/Leaflet,rlugojr/Leaflet,Ubisense/Leaflet,davojta/Leaflet,frogcat/Leaflet,iZucken/Leaflet,Neorth/Leaflet,tsantacruz/RotationalMarker,rlugojr/Leaflet,codeator/Leaflet,brah/Leaflet,iZucken/Leaflet,AP-whitehat/Leaflet,tsantacruz/RotationalMarker,scaddenp/Leaflet,iOffice/Leaflet,stefanocudini/Leaflet,codeator/Leaflet,Leaflet/Leaflet,jasonoverland/Leaflet,geoloep/Leaflet,stefanocudini/Leaflet,brah/Leaflet,sisou/Leaflet,Ubisense/Leaflet,davojta/Leaflet,iZucken/Leaflet,codeator/Leaflet,Trufi/Leaflet,geoloep/Leaflet,Neorth/Leaflet,akrzyzanowskino/TeamSE,Leaflet/Leaflet,msiadak/Leaflet,akrzyzanowskino/TeamSE,scaddenp/Leaflet,Leaflet/Leaflet,frogcat/Leaflet,akrzyzanowskino/TeamSE,brah/Leaflet,davojta/Leaflet,sisou/Leaflet,rlugojr/Leaflet,AP-whitehat/Leaflet