refactor: move gateway and vault components to new locations

gateway/handlers/errors.go

@@ -0,0 +1,14 @@
+package handlers
+
+import (
+	"github.com/labstack/echo/v4"
+	"github.com/onsonr/sonr/gateway/context"
+)
+
+func ErrorHandler(err error, c echo.Context) {
+	if he, ok := err.(*echo.HTTPError); ok {
+		// Log the error if needed
+		c.Logger().Errorf("Error: %v", he.Message)
+		context.RenderError(c, he)
+	}
+}