CONTRIBUTING.md: mention that GitHub PRs are accepted
x/pkgsite also accepts changes through GitHub, so it has to be
mentioned in the CONTRIBUTING.md file as a valid process.
Fixes golang/go#43100
Trust: Jamal Carvalho
Trust: Julie Qiu
@@ -21,10 +21,17 @@ All issues related to x/pkgsite are labeled with the
In particular, we would love your help on issues tagged with the
[`help wanted` label](https://github.com/golang/go/issues?q=is%3Aissue+is%3Aopen+label%3Apkgsite+label%3A%22help+wanted%22+).
+If this is your first time contributing to x/pkgsite, take a look at the
+[`Suggested` issues](https://github.com/golang/go/issues?q=is%3Aissue+is%3Aopen+label%3Apkgsite+label%3A%22Suggested%22+label%3A%22help+wanted%22) for a good first issue.
+
Before you begin working on an issue, please leave a comment that you are claiming it.
## Getting started
+We accept contributions through
+[Gerrit](https://golang.org/doc/contribute.html#sending_a_change_gerrit) or
+[GitHub PRs](https://golang.org/doc/contribute.html#sending_a_change_github). To get started:
+
1. Complete the steps in the
[Go Contribution Guide](https://golang.org/doc/contribute.html).
