Added PR template

Signed-off-by: Natalia Luzuriaga <natalia.luzuriaga@cms.hhs.gov>

Author: natalialuzuriaga

.github/PULL_REQUEST_TEMPLATE/pull_request_template.md

@@ -0,0 +1,49 @@
+<!--
+Thank you for sending the PR! We appreciate you spending the time to work on
+these changes.
+
+Help us understand your motivation by explaining why you decided to make this change.
+
+Happy contributing!
+
+- Comments should be formatted to a width no greater than 80 columns.
+
+- Files should be exempt of trailing spaces.
+
+- We adhere to a specific format for commit messages. Please write your commit
+messages along these guidelines. Please keep the line width no greater than 80
+columns (You can use `fmt -n -p -w 80` to accomplish this).
+
+
+-->
+
+## module-name: One line description of your change (less than 72 characters)
+
+## Problem
+
+Explain the context and why you're making that change. What is the problem
+you're trying to solve? In some cases there is not a problem and this can be
+thought of being the motivation for your change.
+
+## Solution
+
+Describe the modifications you've done.
+
+## Result
+
+What will change as a result of your pull request? Note that sometimes this
+section is unnecessary because it is self-explanatory based on the solution.
+
+Some important notes regarding the summary line:
+
+- Describe what was done; not the result
+- Use the active voice
+- Use the present tense
+- Capitalize properly
+- Do not end in a period — this is a title/subject
+- Prefix the subject with its scope
+
+## Test Plan
+
+(Write your test plan here. If you changed any code, please provide us with
+clear instructions on how you verified your changes work.)