struct some configuration members

src/session/storage/list.rs

@@ -0,0 +1,20 @@
+pub struct Time {
+    pub is_accessed: bool,
+    pub is_created: bool,
+    pub is_modified: bool,
+}
+
+pub struct Dir {
+    pub time: Time,
+    pub is_count: bool,
+}
+pub struct File {
+    pub time: Time,
+    pub is_size: bool,
+}
+
+pub struct List {
+    pub dir: Dir,
+    pub file: File,
+    pub time_format: String,
+}