Merge pull request opendatahub-io#222 from HumairAK/add_pr_template

Add pr template.

Author: HumairAK

.github/PULL_REQUEST_TEMPLATE.md

@@ -0,0 +1,15 @@
+## Ths issue resolved by this Pull Request:
+Resolves #<issue_number>
+
+## Description of your changes:
+<!--- This PR will be merged by any repository approver when it meets all the points in the checklist -->
+<!--- Go over all the following points, and put an `x` in all the boxes that apply. -->
+
+## Testing instructions
+<!--- Add any information that testers/qe should be aware of when testing this PR. Examples include what components
+to focus on, or what features are likely to be affected. -->
+
+## Checklist
+- [ ] The commits are squashed in a cohesive manner and have meaningful messages.
+- [ ] Testing instructions have been added in the PR body (for PRs involving changes that are not immediately obvious).
+- [ ] The developer has manually tested the changes and verified that the changes work