refactoring-1

introduced pipelines and abstracted download process.go in Downloader interface

server/rest/common.go

@@ -3,11 +3,12 @@ package rest
 import (
 	"database/sql"
 
-	"github.com/marcopiovanello/yt-dlp-web-ui/v3/server/internal"
+	"github.com/marcopiovanello/yt-dlp-web-ui/v3/server/internal/kv"
+	"github.com/marcopiovanello/yt-dlp-web-ui/v3/server/internal/queue"
 )
 
 type ContainerArgs struct {
 	DB  *sql.DB
-	MDB *internal.MemoryDB
-	MQ  *internal.MessageQueue
+	MDB *kv.Store
+	MQ  *queue.MessageQueue
 }