Synchronous API

[ekexium]

Synchronous API is easier for new users to get started but can be less efficient.

The easiest way to do it is simply block_on each async API.

• Raw client Add sync API for raw client #301
• Transactional client
• Tests and examples

[xuhui-lu]

Hey @ekexium , is this issue still open? I could help with it.

[ekexium]

Hey @ekexium , is this issue still open? I could help with it.

Yes it's open. Thank you!