Re-send Webmentions if the MF2 has has updated
A follow-on from #63 (closed):
Instead of sending them for each and every post, all the time, only send them when the MF2 data's hash is different (via schmarty)
A follow-on from #63 (closed):
Instead of sending them for each and every post, all the time, only send them when the MF2 data's hash is different (via schmarty)