implemented game art download

internal/oplcli.go

@@ -57,3 +57,17 @@ func Rename(file string, config Config) {
 
 	fmt.Printf("Renamed %s to %s", file, newPath)
 }
+
+func DownloadGameArt(file string, config Config) {
+	fmt.Printf("Scanning file: %s\n", file)
+
+	gameID, err := scanGameFileForID(file)
+	if err != nil {
+		fmt.Printf("Failed to scan game file: %s", err)
+		os.Exit(1)
+	}
+
+	fmt.Printf("Found game ID: %s\n", gameID)
+
+	downloadArtForGame(gameID, "./art")
+}