feat: implement first version of witai-client

[rikhoffbauer]

• [ ] wrap (axios) request
• [ ] add TypeScript interfaces for response
• [ ] setup CI/CD with automatic publishing to npm using semantic-release

[github-actions[bot]]

:tada: This issue has been resolved in version 0.1.0 :tada:

The release is available on:

• npm package (@latest dist-tag)
• GitHub release

Your semantic-release bot :package::rocket: