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/tcbdata/data.go

@@ -43,6 +43,8 @@ type Add struct {
 	TphDirPath  string // unescaped telegraph.Page.Path
 	// parseditem
 	ParsedItem *parser.Item
+	// directlinks
+	DirectLinks []string
 }
 
 type SetDefaultStorage struct {