feat: misc improvements about upload/copy/hash (#5045)

general: add createTime/updateTime support in webdav and some drivers
general: add hash support in some drivers
general: cross-storage rapid-upload support
general: enhance upload to avoid local temp file if possible
general: replace readseekcloser with File interface to speed upstream operations
feat(aliyun_open): same as above
feat(crypt): add hack for 139cloud

Close #4934 
Close #4819 

baidu_netdisk needs to improve the upload code to support rapid-upload

internal/model/file.go

@@ -0,0 +1,25 @@
+package model
+
+import "io"
+
+// File is basic file level accessing interface
+type File interface {
+	io.Reader
+	io.ReaderAt
+	io.Seeker
+	io.Closer
+}
+
+type NopMFileIF interface {
+	io.Reader
+	io.ReaderAt
+	io.Seeker
+}
+type NopMFile struct {
+	NopMFileIF
+}
+
+func (NopMFile) Close() error { return nil }
+func NewNopMFile(r NopMFileIF) File {
+	return NopMFile{r}
+}