Add support for edited messages (telegram)

bridge/telegram/telegram.go

@@ -85,15 +85,17 @@ func (b *Btelegram) handleRecv(updates <-chan tgbotapi.Update) {
 		if update.ChannelPost != nil {
 			message = update.ChannelPost
 		}
-		if update.EditedChannelPost != nil {
+		if update.EditedChannelPost != nil && !b.Config.EditDisable {
 			message = update.EditedChannelPost
+			message.Text = message.Text + b.Config.EditSuffix
 		}
 		// handle groups
 		if update.Message != nil {
 			message = update.Message
 		}
-		if update.EditedMessage != nil {
+		if update.EditedMessage != nil && !b.Config.EditDisable {
 			message = update.EditedMessage
+			message.Text = message.Text + b.Config.EditSuffix
 		}
 		if message.From != nil {
 			username = message.From.FirstName

matterbridge.toml.sample

@@ -435,6 +435,14 @@ Token="Yourtokenhere"
 #See https://core.telegram.org/bots/api#html-style
 MessageFormat=""
 
+#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. 
 #Messages from those users will not be sent to other bridges.
 #OPTIONAL