added mail functionality

internal/config/config.go

@@ -18,9 +18,19 @@ type AuthenticationConfig struct {
 	CSRFSecret string
 }
 
+type SMTPConfig struct {
+	Host       string `json:"Host"`
+	User       string `json:"User"`
+	Password   string `json:"Password"`
+	Mailtype   string `json:"Mailtype"`
+	AdminEmail string `json:"AdminEmail"`
+	Port       int    `json:"Port"`
+}
+
 type Config struct {
 	DB   DatabaseConfig `json:"db"`
 	Auth AuthenticationConfig
+	SMTP SMTPConfig `json:"smtp"`
 }
 
 var (