feat(api): implement task management API with handlers for creating, listing, retrieving, and canceling tasks

- Added Handlers struct and methods for task operations
- Implemented task progress tracking and storage
- Created server setup with middleware for logging and recovery
- Added support for Telegram file extraction and Telegraph image extraction
- Introduced webhook functionality for task status updates
- Defined request and response types for API interactions

cmd/run.go

@@ -10,6 +10,7 @@ import (
 	"slices"
 
 	"github.com/charmbracelet/log"
+	"github.com/krau/SaveAny-Bot/api"
 	"github.com/krau/SaveAny-Bot/client/bot"
 	userclient "github.com/krau/SaveAny-Bot/client/user"
 	"github.com/krau/SaveAny-Bot/common/cache"
@@ -76,6 +77,9 @@ func initAll(ctx context.Context, cmd *cobra.Command) (<-chan struct{}, error) {
 			logger.Fatal("User login failed", "error", err)
 		}
 	}
+	if err := api.Start(ctx); err != nil {
+		logger.Error("Failed to start API server", "error", err)
+	}
 	return bot.Init(ctx), nil
 }