Add context timeouts for third-party requests

Avoid hanging a goroutine for a long time.

comms/email/email.go

@@ -3,6 +3,7 @@ package email
 import (
 	"context"
 	"fmt"
+	"time"
 
 	"github.com/Gleipnir-Technology/nidus-sync/config"
 	"github.com/rs/zerolog/log"
@@ -69,6 +70,9 @@ type emailResponse struct {
 var FORWARDEMAIL_EMAIL_POST_API = "https://api.forwardemail.net/v1/emails"
 
 func Send(ctx context.Context, email Request) (result emailResponse, err error) {
+	ctx, cancel := context.WithTimeout(ctx, 15*time.Second)
+	defer cancel()
+
 	client := resty.New()
 
 	var err_resp emailResponseError