Update kWidget/onPagePlugins/chapters/ChapterSamples.html
Update kWidget/onPagePlugins/chapters/ChapterSamples.html

Added correct "grab it!" urls and added some explanatory info in the custom renderer
omridevk/mwEmbed,slash851/mwEmbed,safarijv/mwEmbed,vladm3/mwEmbed,FlixMaster/mwEmbed,SVSG/mwEmbed,joanpuigsanz/mwEmbed,matsuu/mwEmbed,kaltura/mwEmbed,vladm3/mwEmbed,SVSG/mwEmbed,kaltura/mwEmbed,kaltura/mwEmbed,kaltura/mwEmbed,bordar/mwEmbed,alexmilk/mwEmbed,panda-os/mwEmbed,abaylis/mwEmbed,joanpuigsanz/mwEmbed,tanyaLibatter/mwEmbed,abaylis/mwEmbed,abaylis/mwEmbed,vladm3/mwEmbed,alexmilk/mwEmbed,slash851/mwEmbed,matsuu/mwEmbed,safarijv/mwEmbed,panda-os/mwEmbed,alexmilk/mwEmbed,omridevk/mwEmbed,joanpuigsanz/mwEmbed,slash851/mwEmbed,alexmilk/mwEmbed,bordar/mwEmbed,DBezemer/mwEmbed,safarijv/mwEmbed,vladm3/mwEmbed,DBezemer/mwEmbed,bordar/mwEmbed,matsuu/mwEmbed,bordar/mwEmbed,FlixMaster/mwEmbed,panda-os/mwEmbed,SVSG/mwEmbed,FlixMaster/mwEmbed,DBezemer/mwEmbed,tanyaLibatter/mwEmbed,panda-os/mwEmbed,SVSG/mwEmbed,DBezemer/mwEmbed,joanpuigsanz/mwEmbed,tanyaLibatter/mwEmbed,omridevk/mwEmbed,slash851/mwEmbed,safarijv/mwEmbed,matsuu/mwEmbed,tanyaLibatter/mwEmbed,omridevk/mwEmbed,FlixMaster/mwEmbed,abaylis/mwEmbed