Signed-off-by: Jin Hai <haijin.chn@gmail.com>

* Updated configurations

* Update README.md

* Updated steps

* Miscellaneous updates

* Updated Get Started.

* Finishing off Get Started

* minor

* minor

* Added emojis

* Miscellaneous editorial updates

* support snapshot download from local

* let snapshot download from local

* Refine README

* refine README

* refine README