feat: add import command and batch import functionality

- Implemented the `/import` command to allow users to import files from storage to Telegram.
- Added support for listing files in storage and filtering based on regex patterns.
- Created a batch import task to handle multiple file uploads concurrently.
- Introduced progress tracking for batch imports, providing real-time updates to users.
- Enhanced storage interfaces to support file listing and reading capabilities.
- Updated localization files for the new import command and its usage instructions.
- Added utility functions for file size formatting and speed calculation.
- Refactored Telegram storage handling to support reading from non-seekable streams.

storage/load.go

@@ -6,6 +6,7 @@ import (
 
 	"github.com/charmbracelet/log"
 	"github.com/krau/SaveAny-Bot/config"
+	storenum "github.com/krau/SaveAny-Bot/pkg/enums/storage"
 )
 
 var UserStorages = make(map[int64][]Storage)
@@ -79,3 +80,14 @@ func LoadStorages(ctx context.Context) {
 		UserStorages[int64(user)] = GetUserStorages(ctx, int64(user))
 	}
 }
+
+// GetTelegramStorageByUserID returns the first enabled Telegram storage for the user
+func GetTelegramStorageByUserID(ctx context.Context, chatID int64) (Storage, error) {
+	storages := GetUserStorages(ctx, chatID)
+	for _, stor := range storages {
+		if stor.Type() == storenum.Telegram {
+			return stor, nil
+		}
+	}
+	return nil, fmt.Errorf("no telegram storage found for user %d", chatID)
+}