Add pull request template for summary update

.github/PULL_REQUEST_TEMPLATE/update-summary

@@ -0,0 +1,24 @@
+## Updated summary
+<!--
+  Thank you!
+
+  Please make sure that you have roughly followed the style of the rest of the document
+-->
+
+
+## Additional information
+
+Any information you consider worth mentioning
+
+
+## Checklist
+
+<!--
+  Put an `x` in the boxes that apply.
+-->
+
+- [ ] The summary is compiled.
+- [ ] All relevant files for compilation are included.
+- [ ] There are no generated files included. Ignore new generated files in the `gitignore` file if needed.
+- [ ] The style of the document is roughly similar
+- [ ] I have not changed the helper import statement or reverted it before opening the PR