Refactor downloaders to separate package to utilize an interface

downloader/downloaders/utils.go

@@ -0,0 +1,11 @@
+package downloaders
+
+import "sync"
+
+//const OUTPUT_DIR = "C:/Users/Administrator/ytdlpVideos"
+const OUTPUT_DIR = "."
+
+var ongoingDownloads = make(map[string]struct{})
+var ongoingDownloadsMutex = &sync.Mutex{}
+
+const DOWNLOAD_WORKERS = 1