Proper log rotation, filename compatibility with windows

internal/app.go

@@ -5,7 +5,6 @@ import (
 	netHttp "net/http"
 	"os"
 	"os/exec"
-	"strings"
 	"time"
 
 	// _ "net/http/pprof" // Register pprof
@@ -31,10 +30,7 @@ func MainApp(configPath string) {
 	utils.EnsureDirExists("data/info")
 	utils.EnsureDirExists("dump") // "zurgtorrent" files
 
-	dateStr := time.Now().Format(time.DateOnly)
-	timeStr := strings.ReplaceAll(time.Now().Format(time.TimeOnly), ":", "-")
-	logPath := fmt.Sprintf("logs/zurg-%s-%s.log", dateStr, timeStr)
-	log := logutil.NewLogger(logPath)
+	log := logutil.NewLogger("logs/zurg.log")
 
 	zurglog := log.Named("zurg") // logger for this main function