feat: add rclone storage backend (#191)

* fix: update StoragePath method to return specific path for single file

* feat: add Rclone storage support with configuration and file operations

* docs: add Rclone support to documentation for configuration and usage

config/storage/factory.go

@@ -16,6 +16,7 @@ var storageFactories = map[storenum.StorageType]func(cfg *BaseConfig) (StorageCo
 	storenum.Minio:    createStorageConfig(&MinioStorageConfig{}),
 	storenum.S3:       createStorageConfig(&S3StorageConfig{}),
 	storenum.Telegram: createStorageConfig(&TelegramStorageConfig{}),
+	storenum.Rclone:   createStorageConfig(&RcloneStorageConfig{}),
 }
 
 func createStorageConfig(configType StorageConfig) func(cfg *BaseConfig) (StorageConfig, error) {

config/storage/rclone.go

@@ -0,0 +1,33 @@
+package storage
+
+import (
+	"fmt"
+
+	storenum "github.com/krau/SaveAny-Bot/pkg/enums/storage"
+)
+
+type RcloneStorageConfig struct {
+	BaseConfig
+	// The name of the remote as defined in rclone config
+	Remote   string `toml:"remote" mapstructure:"remote" json:"remote"`
+	BasePath string `toml:"base_path" mapstructure:"base_path" json:"base_path"`
+	// The path to the rclone config file, if not using the default
+	ConfigPath string `toml:"config_path" mapstructure:"config_path" json:"config_path"`
+	// Additional flags to pass to rclone commands
+	Flags []string `toml:"flags" mapstructure:"flags" json:"flags"`
+}
+
+func (r *RcloneStorageConfig) Validate() error {
+	if r.Remote == "" {
+		return fmt.Errorf("remote is required for rclone storage")
+	}
+	return nil
+}
+
+func (r *RcloneStorageConfig) GetType() storenum.StorageType {
+	return storenum.Rclone
+}
+
+func (r *RcloneStorageConfig) GetName() string {
+	return r.Name
+}