dl: add go1.13.1 and go1.12.10

Fixes golang/go#34550

Change-Id: Ia3329d04b7409014a8b47e99192c3d3a21bac844
GitHub-Last-Rev: 39a600b99cc5d92b2625fa8ada51d91581ca84ca
GitHub-Pull-Request: golang/dl#4
Reviewed-on: https://go-review.googlesource.com/c/dl/+/197457
Reviewed-by: Filippo Valsorda <filippo@golang.org>
diff --git a/go1.12.10/main.go b/go1.12.10/main.go
new file mode 100644
index 0000000..35b252d
--- /dev/null
+++ b/go1.12.10/main.go
@@ -0,0 +1,24 @@
+// Copyright 2019 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+// The go1.12.10 command runs the go command from Go 1.12.10.
+//
+// To install, run:
+//
+//     $ go get golang.org/dl/go1.12.10
+//     $ go1.12.10 download
+//
+// And then use the go1.12.10 command as if it were your normal go
+// command.
+//
+// See the release notes at https://golang.org/doc/devel/release.html#go1.12.minor
+//
+// File bugs at https://golang.org/issues/new
+package main
+
+import "golang.org/dl/internal/version"
+
+func main() {
+	version.Run("go1.12.10")
+}
diff --git a/go1.13.1/main.go b/go1.13.1/main.go
new file mode 100644
index 0000000..acc51cf
--- /dev/null
+++ b/go1.13.1/main.go
@@ -0,0 +1,24 @@
+// Copyright 2019 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+// The go1.13.1 command runs the go command from Go 1.13.1.
+//
+// To install, run:
+//
+//     $ go get golang.org/dl/go1.13.1
+//     $ go1.13.1 download
+//
+// And then use the go1.13.1 command as if it were your normal go
+// command.
+//
+// See the release notes at https://golang.org/doc/devel/release.html#go1.13.minor
+//
+// File bugs at https://golang.org/issues/new
+package main
+
+import "golang.org/dl/internal/version"
+
+func main() {
+	version.Run("go1.13.1")
+}