v1.0.0-rc.12

• test: add healthcheck to Kinetic service (#19)
• fix: make sure to correctly set close authority (#18)
• feat: implement closeAccount and getAccountInfo methods (#17)
• chore: update Kinetic to 1.0.0-rc.12

v1.0.0-rc.8

chore: tag version 1.0.0-rc.8