Add Pull Request template (#631)

feat: Add Pull Request template

.github/pull_request_template.md

@@ -0,0 +1,17 @@
+# What :computer: 
+* First thing updated with this PR
+* Second thing updated with this PR
+* Third thing updated with this PR
+
+# Why :hand:
+* Reason why first thing was added to PR
+* Reason why second thing was added to PR
+* Reason why third thing was added to PR
+
+# Evidence :camera:
+Include screenshots, screen recordings, or `console` output here demonstrating that your changes work as intended
+
+<!-- All sections below are optional. You can erase any section not applicable to your Pull Request. -->
+
+# Notes :memo:
+* Any notes/thoughts that the reviewers should know prior to reviewing the code?