message: docs: expand abbreviation in providers guide
  The intro paragraph currently uses the DI abbreviation,
  but it is clearer with DI written out and linked to the DI guide.
  PR Close
diff: # Providers
  -A provider is an instruction to the DI system on how to obtain a value for a dependency. Most of the time, these dependencies are services that you create and provide.
  +A provider is an instruction to the [Dependency Injection](/guide/dependency-injection) system on how to obtain a value for a dependency. Most of the time, these dependencies are services that you create and provide.
  For the final sample app using the provider that this page describes,
  see the <live-example></live-example>.
  