feat: refactor storage configuration to use dedicated storage package and add new storage types

BREAKING CHANGE: remove deprecated config

config/storage/local.go

@@ -0,0 +1,27 @@
+package storage
+
+import (
+	"fmt"
+
+	"github.com/krau/SaveAny-Bot/types"
+)
+
+type LocalStorageConfig struct {
+	BaseConfig
+	BasePath string `toml:"base_path" mapstructure:"base_path" json:"base_path"`
+}
+
+func (l *LocalStorageConfig) Validate() error {
+	if l.BasePath == "" {
+		return fmt.Errorf("path is required for local storage")
+	}
+	return nil
+}
+
+func (l *LocalStorageConfig) GetType() types.StorageType {
+	return types.StorageTypeLocal
+}
+
+func (l *LocalStorageConfig) GetName() string {
+	return l.Name
+}