fix(back) remake file

backend/cmd/remake-background/main.go

@@ -0,0 +1,28 @@
+package main
+
+import (
+	"fmt"
+	"log"
+
+	"github.com/disintegration/imaging"
+)
+
+func main() {
+	path := "./uploads/items/background.png"
+
+	img, err := imaging.Open(path)
+	if err != nil {
+		log.Fatal(err)
+	}
+
+	resized := imaging.Resize(img, 1920, 0, imaging.Lanczos)
+
+	newPath := "./uploads/items/background.jpg"
+
+	err = imaging.Save(resized, newPath, imaging.JPEGQuality(82))
+	if err != nil {
+		log.Fatal(err)
+	}
+
+	fmt.Println("Готово")
+}