docs: add a PR checklist template (#4564)

Manual testing of  this template can be done with the new playground created for that purpose, see https://code.forgejo.org/forgejo/pr-and-issue-templates/pulls/19.

![image](/attachments/1ee36ae1-669f-47d8-8307-9734faa0dc2a)

## Testing instructions

* Fork https://code.forgejo.org/forgejo/pr-and-issue-templates
* Create a pull request against https://code.forgejo.org/forgejo/pr-and-issue-templates
* See that the commit message is on top and the checklist below it

---

Use cases:

* https://codeberg.org/forgejo/forgejo/pulls/4553
* https://codeberg.org/forgejo/forgejo/pulls/4554

Reviewed-on: https://codeberg.org/forgejo/forgejo/pulls/4564
Reviewed-by: 0ko <0ko@noreply.codeberg.org>
Reviewed-by: twenty-panda <twenty-panda@noreply.codeberg.org>
Reviewed-by: thefox <thefox@noreply.codeberg.org>
Co-authored-by: Earl Warren <contact@earl-warren.org>
Co-committed-by: Earl Warren <contact@earl-warren.org>

.forgejo/pull_request_template.md

@@ -0,0 +1,33 @@
+---
+
+name: "Pull Request Template"
+about: "Template for all Pull Requests"
+labels:
+
+- test/needed
+
+---
+
+## Checklist
+
+The [developer guide](https://forgejo.org/docs/next/developer/) contains information that will be helpful to first time contributors. There also are a few [conditions for merging Pull Requests in Forgejo repositories](https://codeberg.org/forgejo/governance/src/branch/main/PullRequestsAgreement.md). You are also welcome to join the [Forgejo development chatroom](https://matrix.to/#/#forgejo-development:matrix.org).
+
+### Tests
+
+- I added test coverage for Go changes...
+  - [ ] in their respective `*_test.go` for unit tests.
+  - [ ] in the `tests/integration` directory if it involves interactions with a live Forgejo server.
+- I added test coverage for JavaScript changes...
+  - [ ] in `web_src/js/*.test.js` if it can be unit tested.
+  - [ ] in `tests/e2e/*.test.e2e.js` if it requires interactions with a live Forgejo server (see also the [developer guide for JavaScript testing](https://codeberg.org/forgejo/forgejo/src/branch/forgejo/tests/e2e/README.md#end-to-end-tests)).
+
+### Documentation
+
+- [ ] I created a pull request [to the documentation](https://codeberg.org/forgejo/docs) to explain to Forgejo users how to use this change.
+- [ ] I did not document these changes and I do not expect someone else to do it.
+
+### Release notes
+
+- [ ] I do not want this change to show in the release notes.
+- [ ] I want the title to show in the release notes with a link to this pull request.
+- [ ] I want the content of the `release-notes/<pull request number>.md` to be be used for the release notes instead of the title.

.gitea/pull_request_template.md

@@ -1,13 +0,0 @@
----
-
-name: "Pull Request Template"
-about: "Template for all Pull Requests"
-labels:
-
-- test/needed
-
----
-<!--
-Before submitting a PR, please read the contributing guidelines:
-https://codeberg.org/forgejo/forgejo/src/branch/forgejo/CONTRIBUTING.md
--->