Support environment variables

The WPO365 plugins support numerous PHP constants for configuration, e.g., `WPO_AAD_*`, `WPO_MU_USE_SUBSITE_OPTIONS`, `WPO_ALLOW_DEVELOPER_HOOKS`, etc. In Composer-based environments (but not only there), the use of environment variables is common, mostly stored in `.env` files. It would be great if the WPO365 plugins supported environment variables in addition to PHP constants. This would allow us not to …

Provide Composer repository for premium add-ons

Please consider providing a Composer repositoriy for the premium add-ons of the WPO365 plugin. Currently, we have to upload them to a dedicated SatisPress instance (https://github.com/cedaro/satispress) that makes them available as Composer packages. But that’s a tedious task because AFAIK, your plugins don’t have any auto-update logic, so they need to be manually kept up …