i18n: Refactor translation management tools and add ignore feature for dynamic resources

- Updated README.md to reflect changes in translation management tools and added ignore mark feature for dynamic resources.
- Created Chinese translation guide for the translation management tools.
- Created English translation guide for the translation management tools.
- Enhanced translation-cleaner.py to skip keys marked with /*keep*/ during cleanup.
- Improved translation-manager.py to create backups only when updating keys interactively.
- Updated zh_CN.json with new translations and added ignore marks for dynamic values.

.config/quickshell/ii/modules/sidebarRight/calendar/CalendarWidget.qml

@@ -93,7 +93,7 @@ Item {
             Repeater {
                 model: CalendarLayout.weekDays
                 delegate: CalendarDayButton {
-                    day: modelData.day
+                    day: Translation.tr(modelData.day)
                     isToday: modelData.today
                     bold: true
                     enabled: false

.config/quickshell/ii/modules/sidebarRight/notifications/NotificationList.qml

@@ -85,7 +85,7 @@ Item {
             anchors.verticalCenter: parent.verticalCenter
             anchors.leftMargin: 10
             horizontalAlignment: Text.AlignHCenter
-            text: `${Notifications.list.length} ${Translation.tr("notifications")}`
+            text: Translation.tr("%1 notifications").arg(Notifications.list.length)
 
             opacity: Notifications.list.length > 0 ? 1 : 0
             visible: opacity > 0