This PR contains the work that implements the Dependency service, which is used as a dependency injection mechanism in the application.
To give further details on what was done:
- [x] created the `Dependency` library into the **Libraries** package;
- [x] defined the `DependencyKey` protocol;
- [x] implemented the `DependencyService` service;
- [x] implemented the `Dependency` property wrapper.
Co-authored-by: Javier Cicchelli <javier@rock-n-code.com>
Reviewed-on: rock-n-code/deep-linking-assignment#6