development.7/FILES: add CONTRIBUTING + git-arc.sh

MFC after: 3 days
Reviewed by: imp
Pull Request: #1300

share/man/man7/development.7

@@ -24,7 +24,7 @@
 .\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 .\" SUCH DAMAGE.
 .\"
-.Dd November 1, 2022
+.Dd July 7, 2024
 .Dt DEVELOPMENT 7
 .Os
 .Sh NAME
@@ -119,6 +119,14 @@ build and test status of CURRENT and STABLE branches,
 the continuous integration system is at:
 .Pp
 .Lk https://ci.FreeBSD.org
+.Sh FILES
+.Bl -compact -tag -width "/usr/src/tools/tools/git/git-arc.sh"
+.It Pa /usr/src/CONTRIBUTING.md
+.Fx
+contribution guidelines
+.It Pa /usr/src/tools/tools/git/git-arc.sh
+Phabricator review tooling
+.El
 .Sh EXAMPLES
 Check out the CURRENT branch, build it, and install, overwriting the current
 system: