Add --version command #36
Description
As a pgbapi developer, I want to be able to check what version of pg-backup-api is installed while debugging.
pg-backup-api --version should print the contents of version.txt to the command line.
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As a pgbapi developer, I want to be able to check what version of pg-backup-api is installed while debugging.
pg-backup-api --version should print the contents of version.txt to the command line.