feature(sct.py): hydra show-logs support markdown
feature(sct.py): hydra show-logs support markdown

`show-logs` command output can now be formatted in markdown

```bash
hydra investigate show-logs b5f1e9a3-ed7d-4a6c-a394-7f554153903d -o markdown
...

\## Logs
* **db-cluster** - https://cloudius-jenkins-test.s3.amazonaws.com/.../db-cluster-b5f1e9a3.zip
* **loader-set** - https://cloudius-jenkins-test.s3.amazonaws.com/.../loader-set-b5f1e9a3.zip
* **monitor-set** - https://cloudius-jenkins-test.s3.amazonaws.com/.../monitor-set-b5f1e9a3.zip
* **sct-runner** - https://cloudius-jenkins-test.s3.amazonaws.com/.../sct-runner-b5f1e9a3.zip
```

scylladb/scylla-cluster-tests,scylladb/scylla-longevity-tests,scylladb/scylla-cluster-tests,scylladb/scylla-longevity-tests,scylladb/scylla-cluster-tests,scylladb/scylla-cluster-tests,scylladb/scylla-cluster-tests,scylladb/scylla-longevity-tests