feat: add Seafile driver (#2964)

* feat: add Seafile driver

* docs: add Seafile support

* refactor: optimization

* fix: close redirect on `move` and `rename`

Co-authored-by: Noah Hsu <i@nn.ci>

drivers/seafile/meta.go

@@ -0,0 +1,26 @@
+package seafile
+
+import (
+	"github.com/alist-org/alist/v3/internal/driver"
+	"github.com/alist-org/alist/v3/internal/op"
+)
+
+type Addition struct {
+	driver.RootPath
+
+	Address  string `json:"address" required:"true"`
+	UserName string `json:"username" required:"true"`
+	Password string `json:"password" required:"true"`
+	RepoId   string `json:"repoId" required:"true"`
+}
+
+var config = driver.Config{
+	Name:        "Seafile",
+	DefaultRoot: "/",
+}
+
+func init() {
+	op.RegisterDriver(func() driver.Driver {
+		return &Seafile{}
+	})
+}