Contributing to Conan Center
Contribution of packages to ConanCenter is done via pull requests to the Github repository in https://github.com/conan-io/conan-center-index. The C3I (ConanCenter Continuous Integration) service will build binaries automatically from those pull requests, and once merged, will upload them to ConanCenter package repository.
Read more about how to submit a pull request to conan-center-index source repository.