Add quarto publish posit-connect-cloud provider #14027
Description
Add a new publishing provider for Posit Connect Cloud (connect.posit.cloud).
This adds quarto publish posit-connect-cloud as a new destination for publishing static Quarto content (documents and websites). Authentication uses OAuth 2.0 Device Code Flow, and deployment follows the bundle upload pattern (tar.gz with manifest).
References
- rsconnect R package Connect Cloud support: add support for deploying to Posit Connect Cloud rstudio/rsconnect#1217