Add resumable downloads, download paths, queue controls and history

internal/config/config.go

@@ -38,6 +38,7 @@ func Load() (Settings, error) {
 		DownloadDir:       filepath.Clean(reader.text("DOWNLOAD_DIR", "/data/downloads")),
 		Defaults: preferences.Preferences{
 			MaxConcurrentDownloads: reader.integer("MAX_CONCURRENT_DOWNLOADS", 2),
+			ConnectionsPerDownload: reader.integer("CONNECTIONS_PER_DOWNLOAD", 4),
 			MinFreeGB:              reader.integer("MIN_FREE_GB", 10),
 			AllowedPorts:           reader.ports("ALLOWED_PORTS", "80,443"),
 			AutoExtract:            true,