feat: sms notification for usa carriers (#40)

Co-authored-by: Jef LeCompte <jeffreylec@gmail.com>

src/config.ts

@@ -8,6 +8,11 @@ const notifications = {
 		username: process.env.EMAIL_USERNAME ?? '',
 		password: process.env.EMAIL_PASSWORD ?? ''
 	},
+	phone: {
+		availableCarriers: ['sprint', 'verizon', 'tmobile', 'att'],
+		carrier: process.env.PHONE_CARRIER,
+		number: process.env.PHONE_NUMBER
+	},
 	slack: {
 		channel: process.env.SLACK_CHANNEL ?? '',
 		token: process.env.SLACK_TOKEN ?? ''