feat(cloudreve): support use cookie to login (close #4324 in #4339)

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

drivers/cloudreve/meta.go

@@ -10,8 +10,9 @@ type Addition struct {
 	driver.RootPath
 	// define other
 	Address  string `json:"address" required:"true"`
-	Username string `json:"username" required:"true"`
-	Password string `json:"password" required:"true"`
+	Username string `json:"username"`
+	Password string `json:"password"`
+	Cookie   string `json:"cookie"`
 }
 
 var config = driver.Config{