Refactor storage content-type handling of ServeDirectURL (#36804)

* replace raw url.Values by *storage.ServeDirectOptions
* implement content-type in azblob
* implement content-disposition in azblob
* add tests for content types in response
* http.MethodPut for azure now allows implementing servedirect uploads

---------

Signed-off-by: ChristopherHX <christopher.homberger@web.de>
Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>
Co-authored-by: wxiaoguang <wxiaoguang@gmail.com>

modules/storage/local.go

@@ -133,8 +133,7 @@ func (l *LocalStorage) Delete(path string) error {
 	return err
 }
 
-// URL gets the redirect URL to a file
-func (l *LocalStorage) URL(path, name, _ string, reqParams url.Values) (*url.URL, error) {
+func (l *LocalStorage) ServeDirectURL(path, name, _ string, reqParams *ServeDirectOptions) (*url.URL, error) {
 	return nil, ErrURLNotSupported
 }