Add Pull Request Template

[alehman-loc]

GitHub Issue: (link)

• Setup PR template on all Islandora CLAW GitHub organization repositories Islandora/documentation#541
• http://irclogs.islandora.ca/2017-03-01.html

What does this Pull Request do?

• Create a directory called: .github
• Create a file called: PULL_REQUEST_TEMPLATE.md
• In the template, paste in the contents of this comment Setup PR template on all Islandora CLAW GitHub organization repositories Islandora/documentation#541 (comment)

What's new?

An in-depth description of the changes made by this PR. Technical details and possible side effects.

• Provides a PR template in every CLAW repository you fork for ease of use.

How should this be tested?

• Read the template and verify that it is a good template.

Additional Notes:

• Eeek, newbie pull request.

Interested parties

Thanks @ruebot.