added support for the br tag and added support for nested assets in …#8

sunil-lakshman merged 1 commit intonextcontentstack/contentstack-utils-php:nextfrom

Enh/CS-39184-JSON-RTE-nested-assetscontentstack/contentstack-utils-php:Enh/CS-39184-JSON-RTE-nested-assetsCopy head branch name to clipboard