[Pattern Draft] Outsourced development ecosystem

[dicortazar]

This patterns defines an existing problem in large corporations that are highly outsourced.

[spier]

I fixed the markdownlint complaints on you PR.

Sorry about all the notification emails that you received. That's just one way for us to try to keep the markdown in our patterns to some standard. Potentially a bit too strict (and with that annoying) at early stages of the content creation process.