feat: add audit log with email notification (#26)

backend/internal/dto/app_config_dto.go

@@ -14,4 +14,10 @@ type AppConfigVariableDto struct {
 type AppConfigUpdateDto struct {
 	AppName         string `json:"appName" binding:"required,min=1,max=30"`
 	SessionDuration string `json:"sessionDuration" binding:"required"`
+	EmailEnabled    string `json:"emailEnabled" binding:"required"`
+	SmtHost         string `json:"smtpHost"`
+	SmtpPort        string `json:"smtpPort"`
+	SmtpFrom        string `json:"smtpFrom" binding:"omitempty,email"`
+	SmtpUser        string `json:"smtpUser"`
+	SmtpPassword    string `json:"smtpPassword"`
 }

backend/internal/dto/audit_log_dto.go

@@ -0,0 +1,17 @@
+package dto
+
+import (
+	"github.com/stonith404/pocket-id/backend/internal/model"
+	"time"
+)
+
+type AuditLogDto struct {
+	ID        string    `json:"id"`
+	CreatedAt time.Time `json:"createdAt"`
+
+	Event     model.AuditLogEvent `json:"event"`
+	IpAddress string              `json:"ipAddress"`
+	Device    string              `json:"device"`
+	UserID    string              `json:"userID"`
+	Data      model.AuditLogData  `json:"data"`
+}