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

BREAKING CHANGE: remove deprecated config

config/storage/webdav.go

@@ -0,0 +1,36 @@
+package storage
+
+import (
+	"fmt"
+
+	"github.com/krau/SaveAny-Bot/types"
+)
+
+type WebdavStorageConfig struct {
+	BaseConfig
+	URL      string `toml:"url" mapstructure:"url" json:"url"`
+	Username string `toml:"username" mapstructure:"username" json:"username"`
+	Password string `toml:"password" mapstructure:"password" json:"password"`
+	BasePath string `toml:"base_path" mapstructure:"base_path" json:"base_path"`
+}
+
+func (w *WebdavStorageConfig) Validate() error {
+	if w.URL == "" {
+		return fmt.Errorf("url is required for webdav storage")
+	}
+	if w.Username == "" || w.Password == "" {
+		return fmt.Errorf("username and password is required for webdav storage")
+	}
+	if w.BasePath == "" {
+		return fmt.Errorf("base_path is required for webdav storage")
+	}
+	return nil
+}
+
+func (w *WebdavStorageConfig) GetType() types.StorageType {
+	return types.StorageTypeWebdav
+}
+
+func (w *WebdavStorageConfig) GetName() string {
+	return w.Name
+}