Issue and PR templates.

.github/workflows/ISSUE_TEMPLATE/bug_report.yaml

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+---
+name: Software Bug Report
+description: >
+  Raise an issue for something that is either a software bug or a
+  feature that is broken.
+labels:
+  - bug
+body:
+  - type: markdown
+    attributes:
+      value: >
+        Please search the open issues
+        [here](https://github.com/HenryWinterbottom-NOAA/ufs_tools/issues)
+        before creating new one.
+  - type: dropdown
+    id: platforms
+    attributes:
+      label: Please indicate any/all platforms that are impacted.
+      multiple: true
+      options:
+        - RDHPCS Hera
+        - RDHPCS Orion
+        - RDHPCS Jet
+        - NOAA CSP AWS
+        - Other
+    validations:
+      required: true
+  - type: textarea
+    id: expected_behavior
+    attributes:
+      label: Expected behavior.
+      description: |
+        Please described the expected outcome if the respective issue
+        and/or bug were not present.
+    validations:
+      required: true
+  - type: textarea
+    id: actual_behavior
+    attributes:
+      label: Actual behavior.
+      description: >
+        Please described the behavior to be encountered by the current
+        issue and/or bug.
+    validations:
+      required: true
+  - type: textarea
+    id: additional_info
+    attributes:
+      label: Additional information.
+      description: |
+        Please provide any supplementary information to aid the developer(s).
+    validations:
+      required: false

.github/workflows/ISSUE_TEMPLATE/feature_request.yaml

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+---
+name: Software Feature Request
+description: >
+  Request a feature and/or enhancement for the respective software
+  package.
+labels:
+  - enhancement
+body:
+  - type: markdown
+    attributes:
+      value: >
+        Please search the open issues
+        [here](https://github.com/HenryWinterbottom-NOAA/ufs_tools/issues)
+        before creating new one.
+  - type: textarea
+    id: motivation
+    attributes:
+      label: Motivation.
+      description: |
+        Please explain the benefits of the feature and/or enhancement
+        being requested.
+    validations:
+      required: true
+  - type: textarea
+    id: proposed_solution
+    attributes:
+      label: Proposed solution.
+      description: |
+        Please provide a enumerated list of steps to resolve the new
+        feature and/or enhancement being requested.
+    validations:
+      required: true
+  - type: textarea
+    id: additional_context
+    attributes:
+      label: Additional context.
+      description: |
+        Please include any additional information and/or context
+        relevant to the feature request.
+    validations:
+      required: false
+  - type: textarea
+    id: related_issues
+    attributes:
+      label: Related issues.
+      description: |
+        Please link any related issues.
+    validations:
+      required: false
+

.github/workflows/PULL_REQUEST_TEMPLATE.md

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+## Pull Request
+
+**Description**
+
+Please provide a clear and concise description of the changes in this
+pull request.
+
+**Related Issues**
+
+- Closes #XXX
+- Fixes #YYY
+
+# Checklist
+
+- [ ] Any dependent changes have been merged and published.
+- [ ] Any new coding follows the style guidelines of this project and have been commented and reviewed prior to pull-request.
+- [ ] New coding does not cause new warnings.
+- [ ] All current unit-tests pass with new changes.
+- [ ] Any new documentation required of the pull-request have been included.
+
+**Additional Information**
+
+- Please provide any additional information or context for the
+  developer(s).
+