Feat/issue 1081

[nickprock]

Description

I added oai_comp_api_key to EmbedderOpenAICompatibleConfig.

I set it as None because since it was absent until now I assumed you wanted to keep it as an optional field.

Related to issue #1081

Type of change

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• This change requires a documentation update

Checklist:

• My code follows the style guidelines of this project
• I have performed a self-review of my own code
• I have commented my code, particularly in hard-to-understand areas

[nickprock]

@pieroit I closed the PR because there is fix dockerfile on main branch and I don't know if it's correct. If it's ok reopen it.