add schema for MediaFile

kontor-api-go/pkg/handler/health.go

@@ -0,0 +1,9 @@
+package handler
+
+import "github.com/gofiber/fiber/v2"
+
+func GetHealth(c *fiber.Ctx) error {
+	return c.Status(200).JSON(&fiber.Map{
+		"status": "ok",
+	})
+}