Add recipe for plugins repo.

This is the first version of the plugins repo recipe. We will optimize
it to make more generic and work for all the supported platforms. For
now it has only been tested with windows.

Change-Id: I8627459003c765f58be513076f09426a459d0a10
Bug: https://github.com/flutter/flutter/issues/56143
Reviewed-on: https://flutter-review.googlesource.com/c/recipes/+/5901
Reviewed-by: Stuart Morgan <stuartmorgan@google.com>
Commit-Queue: Godofredo Contreras <godofredoc@google.com>
4 files changed
tree: d3343e66d48f872130b46fa38c862579b996ef6a
  1. infra/
  2. recipe_modules/
  3. recipes/
  4. .gitignore
  5. .style.yapf
  6. OWNERS
  7. recipes.py