🧑‍💻 Make PR template docs-repo-specific (#282)

Author: shnizzedy

.github/PULL_REQUEST_TEMPLATE.md

@@ -0,0 +1,68 @@
+## Documents
+<!-- The square brackets in the template represent something for you to replace. For example, you might change "Documents #[issue number]" to "Documents #1". -->
+Documents #[issue number] by @[original issue author]
+
+## Description
+<!-- Concisely describe what the pull request does. -->
+
+## Technical details
+<!-- Add any other information or technical details about the implementation; or delete the section entirely. -->
+
+## Screenshots
+<!-- Add screenshots to show the problem and the solution; or delete the section entirely. -->
+
+## Checklist
+<!-- Replace  the [ ] with [x] to check the boxes. -->
+- [ ] My pull request has a descriptive title (not a vague title like `Update index.md`).  <!-- If you want to in include a leading emoji, check out https://gitmoji.dev for a pseudo-standard set of options -->
+- [ ] My pull request targets the `source` branch of the repository. <!-- Change this branch if you're targeting a branch other than `source` -->
+- [ ] My commit messages follow best practices.
+- [ ] My code follows the [established code style of the repository](../CONTRIBUTING.md).
+- [ ] I tried [letting the CI build this branch on a fork or built the project locally](../CONTRIBUTING.md#building) and verified that there are no visible errors.
+
+## Developer Certificate of Origin
+<!-- You must read and understand the following attestation. -->
+
+<details>
+<summary>Developer Certificate of Origin</summary>
+
+```
+Developer Certificate of Origin
+Version 1.1
+
+Copyright (C) 2004, 2006 The Linux Foundation and its contributors.
+1 Letterman Drive
+Suite D4700
+San Francisco, CA, 94129
+
+Everyone is permitted to copy and distribute verbatim copies of this
+license document, but changing it is not allowed.
+
+
+Developer's Certificate of Origin 1.1
+
+By making a contribution to this project, I certify that:
+
+(a) The contribution was created in whole or in part by me and I
+    have the right to submit it under the open source license
+    indicated in the file; or
+
+(b) The contribution is based upon previous work that, to the best
+    of my knowledge, is covered under an appropriate open source
+    license and I have the right under that license to submit that
+    work with modifications, whether created in whole or in part
+    by me, under the same open source license (unless I am
+    permitted to submit under a different license), as indicated
+    in the file; or
+
+(c) The contribution was provided directly to me by some other
+    person who certified (a), (b) or (c) and I have not modified
+    it.
+
+(d) I understand and agree that this project and the contribution
+    are public and that a record of the contribution (including all
+    personal information I submit with it, including my sign-off) is
+    maintained indefinitely and may be redistributed consistent with
+    this project or the open source license(s) involved.
+```
+
+</details>