add a pull request template

Author: IAmTomahawkx

.github/PULL_REQUEST_TEMPLATE.md

@@ -0,0 +1,18 @@
+<!-- Please fill this out to the best of your abilities, it makes our jobs easier -->
+
+## Pull request summary
+
+<!-- Tell us about this PR. What is it solving/adding? Why? Are you fixing something? -->
+
+
+## Checklist
+<!-- Borrowed from discord.py -->
+<!-- Put an x inside [ ] to check it, like so: [x] -->
+
+- [ ] If code changes were made then they have been tested.
+    - [ ] I have updated the documentation to reflect the changes.
+    - [ ] I have updated the changelog with a quick recap of my changes.
+- [ ] This PR fixes an issue.
+- [ ] This PR adds something new (e.g. new method or parameters).
+- [ ] This PR is a breaking change (e.g. methods or parameters removed/renamed)
+- [ ] This PR is **not** a code change (e.g. documentation, README, ...)