getStoredChangelog method
Get the stored changelog from cache file if available.
Implementation
Future<String> getStoredChangelog() async {
if (changelogCache.value.isNotEmpty) return changelogCache.value;
try {
final content = await File(_changelogCachePath).readAsString();
changelogCache.value = content;
return content;
} catch (_) {
changelogCache.value = '';
return '';
}
}