Convert simple-icons manual backup from submodule to tracked files

logos/simple-icons.manual-backup-20251123-234134/.github/PULL_REQUEST_TEMPLATE.md

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+<!--
+Before opening your pull request, have a quick look at our contribution guidelines:
+https://github.com/simple-icons/simple-icons/blob/develop/CONTRIBUTING.md
+
+Consider adding a preview image of your submission using:
+https://simpleicons.org/preview
+-->
+
+**Issue:** closes #
+
+**Popularity metric:**
+
+<!--
+Regardless of whether or not the linked issue (if there is one) has a metric, please include the metric here for PR reviewers to validate. See our contributing guidelines at https://github.com/simple-icons/simple-icons/blob/develop/CONTRIBUTING.md#assessing-popularity for more details on how we assess a brand's popularity.
+-->
+
+**Terms of Service link:**
+
+<!--
+As part of the checklist below, you acknowledge you have reviewed the terms of service of a brand, to ensure we are granted permission to include this brand. Please link here to the terms you have reviewed, to make maintainer review easier. Ideally link to a section and/or paragraph.
+-->
+
+### Checklist
+
+- [ ] I have reviewed the [forbidden brands](https://github.com/simple-icons/simple-icons/blob/develop/CONTRIBUTING.md#forbidden-brands) list and confirm the brand I am submitting a PR for is not one of them, nor is it a subsidiary of one of those brands
+- [ ] I have reviewed the brand's terms of service, and am confident we can add this icon
+- [ ] I updated the JSON data in `data/simple-icons.json`
+- [ ] I optimized the icon with SVGO or SVGOMG
+- [ ] The SVG `viewbox` is `0 0 24 24`
+
+### Description
+
+<!--
+Anything relevant, for example:
+  - Why did you pick the hex value?
+  - Did you manually vectorize the logo?
+  - Have you used multiple sources?
+  - etc.
+-->