Add the PR template file from ufs-srweather-app and regional_workflow to the UFS_UTILS repo.

.github/PULL_REQUEST_TEMPLATE

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+- Use this template to give a detailed message describing the change you want to make to the code.
+
+- You may delete any sections labeled "optional".
+
+- If you are unclear on what should be written here, see https://github.com/NOAA-EMC/UFS_UTILS/wiki/9.-Creating-a-Pull-Request for some guidance. 
+
+- The title of this pull request should be a brief summary (ideally less than 100 characters) of the changes included in this PR. Please also include the branch to which this PR is being issued.
+
+- Use the "Preview" tab to see what your PR will look like when you hit "Create pull request"
+
+# --- Delete this line and those above before hitting "Create pull request" ---
+
+## DESCRIPTION OF CHANGES: 
+One or more paragraphs describing the problem, solution, and required changes.
+
+## TESTS CONDUCTED: 
+State whether the contingency tests were run or are pending, and if they were already run, state the result.  If contingency test baselines need to be updated as a result of this PR, please specify the machine(s) and path(s) to the new files.  Note that running the contigency tests is required for every PR and should be run at least once after all commits or changes have been made after review of the PR.  Make note of the compilers used, the platform/machine, and other relevant details as necessary.  Please also note whether new unit tests or updates to existing ones were required and their file names.
+
+## DEPENDENCIES:
+Add any links to pending PRs that are required prior to merging this PR. For example:
+
+NOAA-EMC/UFS_UTILS/pull/<pr_number>
+
+## DOCUMENTATION:
+If this PR is contributing new capabilities that need to be documented, please also include updates to the RST files in the docs/source directory as supporting material.
+
+## ISSUE: 
+If this PR is resolving or referencing one or more issues, in this repository or elsewhere, list them here. For example, "Fixes issue mentioned in #123" or "Related to bug in https://github.com/NOAA-EMC/other_repository/pull/63"
+
+## CONTRIBUTORS (optional): 
+If others have contributed to this work aside from the PR author, list them here
+