Move comms work to background goroutine

This is a sort of random checkpoint of work
 * add schema for tracking messages sent to DB
 * add terms of service and privacy policy for RCS compliance
 * standardize some things about background workers
 * update some missing stuff from generated DB code

queue/comms.go

@@ -0,0 +1,38 @@
+package queue
+
+import (
+	"github.com/Gleipnir-Technology/nidus-sync/db/enums"
+	"github.com/rs/zerolog/log"
+)
+
+type JobEmail struct {
+	Destination string
+	Source      string
+	Type        enums.CommsEmailmessagetype
+}
+type JobSMS struct {
+	Destination string
+	Source      string
+	Type        enums.CommsSmsmessagetype
+}
+
+var ChannelJobEmail chan JobEmail
+var ChannelJobSMS chan JobSMS
+
+func EnqueueJobEmail(job JobEmail) {
+	select {
+	case ChannelJobEmail <- job:
+		log.Info().Str("destination", job.Destination).Msg("Enqueued email job")
+	default:
+		log.Warn().Msg("email job channel is full, dropping job")
+	}
+}
+
+func EnqueueJobSMS(job JobSMS) {
+	select {
+	case ChannelJobSMS <- job:
+		log.Info().Str("destination", job.Destination).Msg("Enqueued sms job")
+	default:
+		log.Warn().Msg("sms job channel is full, dropping job")
+	}
+}