insert method
Inserts cacheObject
into the repository
Implementation
@override
Future<CacheObject> insert(CacheObject cacheObject,
{bool setTouchedToNow = true}) async {
final id = await db!.insert(
_tableCacheObject,
cacheObject.toMap(setTouchedToNow: setTouchedToNow),
);
return cacheObject.copyWith(id: id);
}