public static void registerRocksDBColumnFamilyOptions(final Class<?> cls, final ColumnFamilyOptions opts) {
        registerRocksDBColumnFamilyOptions(null, cls, opts);
    }
Users can register a custom rocksdb ColumnFamilyOptions, then the
related classes will get their options by the key of their own class
name.  If the user does not register an options, a default options
will be provided.

@param cls  the key of ColumnFamilyOptions
@param opts the ColumnFamilyOptions
jraft-core/src/main/java/com/alipay/sofa/jraft/util/StorageOptionsFactory.java