repos: add oscar

Change-Id: Ia32e5dd4934537b9b8a91f7f3145c363a7795703
Reviewed-on: https://go-review.googlesource.com/c/build/+/596655
Reviewed-by: Dmitri Shuralyov <dmitshur@golang.org>
Auto-Submit: Than McIntosh <thanm@google.com>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>

repos/repos.go

diff --git a/repos/repos.go b/repos/repos.go
index 344727e..aa7b018 100644
--- a/repos/repos.go
+++ b/repos/repos.go
@@ -80,6 +80,7 @@
 	x("mod")
 	x("net", desc("additional networking packages"))
 	x("oauth2")
+	x("oscar", desc("open source contributor agent architecture"))
 	x("perf", desc("packages and tools for performance measurement, storage, and analysis"))
 	x("pkgsite", desc("home of the pkg.go.dev website"), enableCSR("go-discovery"))
 	x("pkgsite-metrics", desc("code for serving pkg.go.dev/metrics"), enableCSR("go-ecosystem"))