Create pull_request_template.md

adds a template for PRs

.github/pull_request_template.md

@@ -0,0 +1,19 @@
+# Pull Request Title
+
+## What does this pull request do?
+
+Which issue number does this address?
+
+Add videos and images if possible.
+
+## How did you implement it?
+
+## Testing
+**How do you run the tests?**
+
+**What do the tests do?**
+
+**What are the expected results of the tests?**
+
+## Did you update the docs (and where)?
+Docs are updated via mkdocs.yml and markdown files under `docs/`. It should render at localhost:8000 when you run `docker compose up docs`.