fix

internal/modules/email_sender/interface.go

@@ -1,7 +1,9 @@
+// Package email_sender sends email messages over SMTP.
 package email_sender
 
 import "context"
 
+// Message describes an email message.
 type Message struct {
 	To      string
 	Subject string
@@ -9,6 +11,7 @@ type Message struct {
 	HTML    string
 }
 
+// IEmailSender sends email messages.
 type IEmailSender interface {
 	Send(ctx context.Context, message Message) error
 }

internal/modules/email_sender/sender.go

@@ -26,6 +26,7 @@ type sender struct {
 	tlsConfig    *tls.Config
 }
 
+// NewSender creates an SMTP email sender.
 func NewSender(
 	smtpHost string,
 	smtpPort string,

internal/modules/email_sender/template.go

@@ -2,6 +2,7 @@ package email_sender
 
 import "html"
 
+// ButtonHTML returns an HTML button linking to link.
 func ButtonHTML(link, label string) string {
 	return `<table role="presentation" cellpadding="0" cellspacing="0" style="margin:20px 0;">
 <tr><td class="email-button" bgcolor="#342a22" style="border-radius:5px; background-color:#342a22;">