feat: v2 (#599)

Read https://github.com/filebrowser/filebrowser/pull/575.

storage/bolt/utils.go

@@ -0,0 +1,19 @@
+package bolt
+
+import (
+	"github.com/asdine/storm"
+	"github.com/filebrowser/filebrowser/v2/errors"
+)
+
+func get(db *storm.DB, name string, to interface{}) error {
+	err := db.Get("config", name, to)
+	if err == storm.ErrNotFound {
+		return errors.ErrNotExist
+	}
+
+	return err
+}
+
+func save(db *storm.DB, name string, from interface{}) error {
+	return db.Set("config", name, from)
+}