update/fix templates location

templates/http/default.go

@@ -0,0 +1,25 @@
+package http
+
+import (
+	"net/http"
+
+	"github.com/labstack/echo/v4"
+)
+
+func (h *HTTP) DefaultHandler(c echo.Context) error {
+	return c.Render(http.StatusOK, "index.html", nil)
+}
+
+func (h *HTTP) DefaultErrorHandler(err error, c echo.Context) {
+	code := http.StatusInternalServerError
+	if he, ok := err.(*echo.HTTPError); ok {
+		code = he.Code
+	}
+
+	h.log.Error(err)
+
+	err = c.Render(code, "error.html", nil)
+	if err != nil {
+		h.log.Error(err)
+	}
+}