v0.1 Just fixing version before major changes

What's Changed

• Fix error code unmarshaling by @afansv in #1
• Update to latest go by @helios-ag in #3
• Update deps by @helios-ag in #4
• Added config for changelog by @helios-ag in #5
• added proper changelog config by @helios-ag in #6

New Contributors

• @afansv made their first contribution in #1

Full Changelog: https://github.com/helios-ag/sberbank-acquiring-go/commits/v0.1