Add reply endpoint for http (#1168)

agent/pkg/routes/replay_routes.go

@@ -0,0 +1,13 @@
+package routes
+
+import (
+	"github.com/gin-gonic/gin"
+	"github.com/up9inc/mizu/agent/pkg/controllers"
+)
+
+// ReplayRoutes defines the group of replay routes.
+func ReplayRoutes(app *gin.Engine) {
+	routeGroup := app.Group("/replay")
+
+	routeGroup.POST("/", controllers.ReplayRequest)
+}