v0.3.0

Changelog

• 28b0ec2 chore: add DO NOT EDIT comment and try to call golines (#16)
• 1f03f95 chore: move strings to const
• 966549c feat: create table names const
• 1e1d803 feat: expose the blockchain connection
• e4101ff feat: support for default values when the key does not exist
• 88a22bf fix: allow users to edit more than one time a table in the same contract
• ab25378 fix: keys getter
• 6aae62f fix: linter and tests issues