Added storage endpoint and show on indes

main.go

@@ -18,6 +18,7 @@ func main() {
 	r.GET("/", controllers.HandleIndex)
 	r.POST("/upload", controllers.HandleFileUpload)
 	r.GET("/uploads/:fileID/:filename", controllers.HandleFileDownload)
+	r.GET("/storage", controllers.HandleStorageInfo)
 	r.GET("/health", func(c *gin.Context) { c.JSON(200, gin.H{"status": "ok"}) })
 
 	if port := os.Getenv("PORT"); port != "" {