feat: openai project endpoints

[jjchen01]

To provide endpoints for projects https://platform.openai.com/docs/api-reference/projects:

• [GET] https://api.openai.com/v1/organization/projects
• [POST] https://api.openai.com/v1/organization/projects
• [GET] https://api.openai.com/v1/organization/projects/{project_id}
• [POST] https://api.openai.com/v1/organization/projects/{project_id}
• [POST] https://api.openai.com/v1/organization/projects/{project_id}/archive

[jjchen01]

#77