This PR contains the work done to define a `Libraries` package that includes its `Foundation` library in it, and integrated the former to the `Feed` framework and `App` targets in the project as well. Reviewed-on: #3 Co-authored-by: Javier Cicchelli <javier@rock-n-code.com> Co-committed-by: Javier Cicchelli <javier@rock-n-code.com>