feat: add Telnyx sms support

lib/plugins/sms/telnyx/telnyx.js

@@ -0,0 +1,27 @@
+const Telnyx = require('telnyx')
+
+const NAME = 'Telnyx'
+
+function sendMessage (account, rec) {
+  const telnyx = Telnyx(account.apiKey)
+
+  const from = account.fromNumber
+  const text = rec.sms.body
+  const to = rec.sms.toNumber || account.toNumber
+
+  return telnyx.messages.create({ from, to, text })
+    .catch(err => {
+      throw new Error(`Telnyx error: ${err.message}`)
+    })
+}
+
+function getLookup () {
+  throw new Error('Telnyx error: lookup not supported')
+}
+
+
+module.exports = {
+  NAME,
+  sendMessage,
+  getLookup
+}