add diff (compare) url to github deploy events
add diff (compare) url to github deploy events

nickman/anthracite,jjardel/anthracite,square-root/anthracite,Dieterbe/anthracite,nickman/anthracite,jjardel/anthracite,nickman/anthracite,jjardel/anthracite,square-root/anthracite,Dieterbe/anthracite,square-root/anthracite,nickman/anthracite,Dieterbe/anthracite,jjardel/anthracite,Dieterbe/anthracite,square-root/anthracite