Add telegram links about channel and tokens

matterbridge.toml.sample

@@ -405,6 +405,7 @@ ShowJoinPart=false
 #REQUIRED
 [telegram.secure]
 #Token to connect with telegram API
+#See https://core.telegram.org/bots#6-botfather and https://www.linkedin.com/pulse/telegram-bots-beginners-marco-frau
 #REQUIRED
 Token="Yourtokenhere"
 
@@ -534,6 +535,7 @@ enable=true
     #           - ID:123456789 (where 123456789 is the channel ID) 
     #               (https://github.com/42wim/matterbridge/issues/57)
     #telegram   - chatid (a large negative number, eg -123456789)
+    #             see (https://www.linkedin.com/pulse/telegram-bots-beginners-marco-frau)
     #hipchat    - id_channel (see https://www.hipchat.com/account/xmpp for the correct channel)
     #rocketchat - #channel (# is required)
     #REQUIRED