From km-collaborative #46 adding the ability for km-collaborative to …

[mariacha]

• [x] Update the "How to test this branch" instructions below by replacing [the-branch] with the name of this branch, and [the-new-project] with an example project name.

What this PR does:

• [x] The "united-philanthropy-forum/km_collaborative" package is added to the list of items that can pull in scaffold files. This allows km-collaborative the ability to push top-level useful files to all sites using it.

How to test this branch:

• [x] If you haven't already, run the One time setup steps
• [x] Run this:

COMPOSER_MEMORY_LIMIT=-1 terminus build:project:create --team='United Philanthropy Forum' --org='United-Philanthropy-Forum' --visibility='private' --stability=dev "united-philanthropy-forum/km-starter-kit:dev-km-collab-scaffolding" kmcstest

• [x] Validate that a new site exists at https://dev-kmcstest.pantheonsite.io
• [x] Validate the repo exists at https://github.com/United-Philanthropy-Forum/kmcstest
• [x] Clone that repository to your local machine.
• [x] Do a composer require united-philanthropy-forum/km_collaborative dev-develop
• [x] Validate that you can run drupal build and see a fresh site on your local machine but NO changes to your config file's UUIDs. https://github.com/United-Philanthropy-Forum/km-collaborative/issues/46
• [x] Validate that there's a .dependabot folder in your project root (for https://github.com/United-Philanthropy-Forum/km-collaborative/issues/9 )
• [x] Delete the test environment when you're done, by running terminus build:env:obliterate kmcstest
• [x] Once this PR is merged, cut a new tag so the create-project commands will get the latest and greatest.