We had lot of problems with the previous env.d system.
Users were often confused by the need to change
the env.d files manually, leading to issues
when using the project locally.
This commit introduces a new system that uses
.env.local files, which are automatically created
and can be modified by users without affecting
the original env.d files. This should simplify
the development process and reduce confusion by
removing the need to manually edit env.d files.
We want to run the e2e tests using the frontend and y-provider
production images. We created a dedicated compose file adding just
missing services. These services are built in the CI.
