[EPIC]: Octavia CLI alpha

We have a detailed execution plan here to implement octavia-cli. According to this plan, this epic tries to focus on features we need to deliver for an alpha release.

TODO for alpha:

✅ octavia init: Ability to initialize an octavia project: command. https://github.com/airbytehq/airbyte/pull/9665
✅ octavia list: Ability to list connectors and other Airbyte resources
- https://github.com/airbytehq/airbyte/pull/9546
- https://github.com/airbytehq/airbyte/pull/9642
✅ octavia generate: Generate YAML template file for Airbyte resources
- https://github.com/airbytehq/airbyte/pull/10132 (sources and destinations only)
- https://github.com/airbytehq/airbyte/pull/10809 expect code complete by 03/02, merged by 03/04
✅ octavia apply: Create resources defined in YAML files on the targetted Airbyte instance
- https://github.com/airbytehq/airbyte/pull/10703 expect code complete by 03/02, merged by 03/09
- https://github.com/airbytehq/airbyte/pull/10881 expect code complete by 03/02, merged by 03/09
https://github.com/airbytehq/airbyte/pull/10823
https://github.com/airbytehq/airbyte/pull/11285
- ✅ Write a blog post to announce alpha release: should be drafted the week by 03/21
https://github.com/airbytehq/airbyte/pull/11464
https://github.com/airbytehq/airbyte/pull/11517

airbytehq / airbyte

[EPIC]: Octavia CLI alpha #10704

TODO for alpha:

What will not be ready for alpha (stretch?)

Fixes