added HEAD Method to the handlers

funcs/funcs.go

@@ -68,8 +68,10 @@ func StaticFS(r gin.IRouter, files fs.FS) {
 			h := makeHandler(files, fn.Name())
 			if fn.Name() == "index.html" {
 				r.GET("/", h)
+				r.HEAD("/", h)
 			}
 			r.GET("/"+fn.Name(), h)
+			r.HEAD("/"+fn.Name(), h)
 		}
 	}
 }