add models / services / handlers of user / token / 2fa, add web server command

pkg/api/default.go

@@ -0,0 +1,20 @@
+package api
+
+import (
+	"github.com/mayswind/lab/pkg/core"
+	"github.com/mayswind/lab/pkg/errs"
+)
+
+type DefaultApi struct {}
+
+var (
+	Default = &DefaultApi{}
+)
+
+func (a *DefaultApi) ApiNotFound(c *core.Context) (interface{}, *errs.Error) {
+	return nil, errs.ErrApiNotFound
+}
+
+func (a *DefaultApi) MethodNotAllowed(c *core.Context) (interface{}, *errs.Error) {
+	return nil, errs.ErrMethodNotAllowed
+}