feat: add direct links download functionality

- Implemented a new task type for handling direct links downloads.
- Added command handler for downloading multiple links via /dl command.
- Introduced progress tracking for direct link downloads.
- Enhanced filename parsing to support various encoding scenarios.
- Updated enums to include direct links as a task type.
- Refactored existing task structures to accommodate new functionality.
- Improved error handling and logging throughout the download process.

pkg/parser/parser.go

@@ -55,7 +55,7 @@ func (r *Resource) ID() string {
 	h.Write([]byte(r.Filename))
 	h.Write([]byte(r.MimeType))
 	h.Write([]byte(r.Extension))
-	h.Write([]byte(fmt.Sprintf("%d", r.Size)))
+	fmt.Fprintf(h, "%d", r.Size)
 
 	for k, v := range r.Hash {
 		h.Write([]byte(k))