add pr template

.github/pull_request_template.md

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+# GH-###
+
+<!--
+    If applicable, insert the Github issue or pull request number in the markdown header above.
+    The hyperlink will be filled in by GitHub magic ([Autolinked references and URLs](https://docs.github.com/en/get-started/writing-on-github/working-with-advanced-formatting/autolinked-references-and-urls))
+--->
+
+## Linked Issues
+
+<!--
+    If applicable, insert the Github issue or pull request number in the markdown below.
+    The hyperlink will be filled in by GitHub magic ([Linking a pull request to an issue using a keyword.](https://docs.github.com/en/issues/tracking-your-work-with-issues/linking-a-pull-request-to-an-issue))
+
+    The issue will be resolved by the merging of this Pull Request
+--->
+
+resolves GH-###
+
+## Proposed changes
+
+<!-- description and/or list of proposed changes -->
+
+---
+
+<!--
+    Please add/remove/edit any of the template below to fit the needs
+    of this specific PR
+--->
+
+## Reviewer notes
+
+<!--
+    Is there anything you would like reviewers to give additional scrutiny?
+--->
+
+## Setup
+
+<!--
+    Add any steps or code to run in this section to help others run your code:
+
+    ```sh
+    echo "Code goes here"
+    ```
+--->
+
+### Start the system
+
+<!--
+    How can a tester start this system, log in, and test the deliverables?
+--->
+
+```sh
+# startup script here
+```
+
+
+---
+
+## Screenshots
+
+<!-- If this PR makes visible interface changes, an image of the finished interface can help reviewers
+and casual observers understand the context of the changes.
+A before image is optional and can be included at the submitter's discretion.
+
+Consider using an animated image to show an entire workflow.
+You may want to use GIPHY CAPTURE for this! 📸
+
+_Please frame images to show useful context but also highlight the affected regions._
+--->