Support EditDisable and EditSuffix for Matrix.

Fixes #2073.

bridge/matrix/matrix.go

@@ -432,8 +432,13 @@ func (b *Bmatrix) handleEdit(ev *matrix.Event, rmsg config.Message) bool {
 		return false
 	}
 
+	if b.GetBool("EditDisable") {
+		return true
+	}
+
 	rmsg.ID = relation.EventID
 	rmsg.Text = newContent.Body
+	rmsg.Text += b.GetString("EditSuffix")
 	b.Remote <- rmsg
 
 	return true

matterbridge.toml.sample

@@ -1268,6 +1268,14 @@ UseUserName=false
 # - https://github.com/42wim/matterbridge/issues/1780
 KeepQuotedReply=false
 
+#Disable sending of edits to other bridges
+#OPTIONAL (default false)
+EditDisable=false
+
+#Message to be appended to every edited message
+#OPTIONAL (default empty)
+EditSuffix=" (edited)"
+
 #Nicks you want to ignore.
 #Regular expressions supported
 #Messages from those users will not be sent to other bridges.