Add back RingCentral to our FaxSMS Module (openemr#7542)

* Add back RingCentral to our FaxSMS Module
- need RC SDK

* Files clean up
Twillio fax is gone ans so is fax server and good riddence!
refactors
RC forms

* Modify FileUtils class adding methods for mime management.

* author

* finish file utility

* more RC integration
remove unneeded 2FA redirect file rcauth.

* add mass deletes to RC and etherFAX
working on UI list

* add email client
add email notification to cron script
cleanup

* update twilio version

* escaping and error alerts

* review fixws

* add user alert  to email setuop to use standard SMPT setup

composer.json

@@ -77,7 +77,8 @@
         "vlucas/phpdotenv": "5.5.0",
         "waryway/php-traits-library": "1.0.4",
         "yubico/u2flib-server": "1.0.2",
-        "twilio/sdk": "7.12.0"
+        "twilio/sdk": "7.16.2",
+        "ringcentral/ringcentral-php": "3.0.1"
     },
     "config": {
         "platform": {