Added Resend Support (#1311)

Author: caronc

KEYWORDS

@@ -78,6 +78,7 @@ PushSafer
 Pushy
 PushDeer
 Reddit
+Resend
 Revolt
 Rocket.Chat
 RSyslog

README.md

@@ -113,6 +113,7 @@ The table below identifies the services this tool supports and some example serv
 | [Pushy](https://github.com/caronc/apprise/wiki/Notify_pushy)  | pushy://  | (TCP) 443  | pushy://apikey/DEVICE<br />pushy://apikey/DEVICE1/DEVICE2/DEVICEN<br />pushy://apikey/TOPIC<br />pushy://apikey/TOPIC1/TOPIC2/TOPICN
 | [PushDeer](https://github.com/caronc/apprise/wiki/Notify_pushdeer) | pushdeer:// or pushdeers:// | (TCP) 80 or 443 | pushdeer://pushKey<br />pushdeer://hostname/pushKey<br />pushdeer://hostname:port/pushKey
 | [Reddit](https://github.com/caronc/apprise/wiki/Notify_reddit) | reddit:// | (TCP) 443   | reddit://user:password@app_id/app_secret/subreddit<br />reddit://user:password@app_id/app_secret/sub1/sub2/subN
+| [Resend](https://github.com/caronc/apprise/wiki/Notify_resend) | resend://  | (TCP) 443   | resend://APIToken:FromEmail/<br />resend://APIToken:FromEmail/ToEmail<br />resend://APIToken:FromEmail/ToEmail1/ToEmail2/ToEmailN/
 | [Revolt](https://github.com/caronc/apprise/wiki/Notify_Revolt) | revolt:// | (TCP) 443   |  revolt://bottoken/ChannelID<br />revolt://bottoken/ChannelID1/ChannelID2/ChannelIDN |
 | [Rocket.Chat](https://github.com/caronc/apprise/wiki/Notify_rocketchat) | rocket:// or rockets://  | (TCP) 80 or 443   | rocket://user:password@hostname/RoomID/Channel<br />rockets://user:password@hostname:443/#Channel1/#Channel1/RoomID<br />rocket://user:password@hostname/#Channel<br />rocket://webhook@hostname<br />rockets://webhook@hostname/@User/#Channel
 | [RSyslog](https://github.com/caronc/apprise/wiki/Notify_rsyslog) | rsyslog://  | (UDP) 514 | rsyslog://hostname<br />rsyslog://hostname/Facility