Added a feature to save logs to local storage (#1741)

- Added export logs to local storage
[1664](https://github.com/tiann/KernelSU/issues/1664)

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Co-authored-by: weishu <twsxtd@gmail.com>

manager/app/src/main/res/values-fa/strings.xml

@@ -63,4 +63,5 @@
 <string name="profile_namespace_global">گلوبال</string>
 <string name="profile_namespace_individual">تکی</string>
 <string name="profile_umount_modules">جداکردن ماژول ها</string>
+    <string name="save_log">ذخیره گزارش‌ها</string>
 </resources>