Add support for dynamically created disks

[Slach]

need create parser and extract credentials for

SETTINGS index_granularity = 8192, allow_nullable_key = 1, ttl_only_drop_parts = 1, 
disk = disk(type = cache, max_size = '50Gi', path = '/var/lib/clickhouse/s3_cache/psh_logs_usage', 
disk = disk(type = s3, endpoint = 'https://XXXX.s3.eu-west-1.amazonaws.com/tables/api/psh_logs_usage', access_key_id = 'XXXX', secret_access_key = 'XXX', metadata_path = '/var/lib/clickhouse/disks/s3_disk/psh_logs_usage'))