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-sl/strings.xml

@@ -102,4 +102,5 @@
     <string name="app_profile_template_sync">Sinhroniziraj predloge iz spleta</string>
     <string name="app_profile_import_export">Uvoz/Izvoz</string>
     <string name="module_changelog_failed">Napaka pri pridobivanju dnevnika sprememb: %s</string>
+    <string name="save_log">Shrani Dnevnike</string>
 </resources>