feat(kv): persist cache and session into disk before shutdown

pkg/sessionstore/sessionstore.go

@@ -0,0 +1,22 @@
+package sessionstore
+
+import (
+	"github.com/cloudreve/Cloudreve/v3/pkg/cache"
+	"github.com/gin-contrib/sessions"
+)
+
+type Store interface {
+	sessions.Store
+}
+
+func NewStore(driver cache.Driver, keyPairs ...[]byte) Store {
+	return &store{newKvStore("cd_session_", driver, keyPairs...)}
+}
+
+type store struct {
+	*kvStore
+}
+
+func (c *store) Options(options sessions.Options) {
+	c.kvStore.Options = options.ToGorillaOptions()
+}