add org_id and health endpoint

handler/health.go

@@ -0,0 +1,14 @@
+package handler
+
+import (
+	"github.com/labstack/echo/v4"
+	"net/http"
+)
+
+func Health(c echo.Context) error {
+	type Resp struct {
+		Status string `json:"status"`
+	}
+
+	return c.JSON(http.StatusOK, Resp{Status: "OK"})
+}