dl: add go1.15.1 and go1.14.8

Change-Id: Iaf2d1b64099c3a257f2c30f81a51b7e66954a7fe
Reviewed-on: https://go-review.googlesource.com/c/dl/+/252237
Reviewed-by: Dmitri Shuralyov <dmitshur@golang.org>
Reviewed-by: Koichi Shiraishi <zchee.io@gmail.com>
Run-TryBot: Dmitri Shuralyov <dmitshur@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
diff --git a/go1.14.8/main.go b/go1.14.8/main.go
new file mode 100644
index 0000000..85432ed
--- /dev/null
+++ b/go1.14.8/main.go
@@ -0,0 +1,24 @@
+// Copyright 2020 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 go1.14.8 command runs the go command from Go 1.14.8.
+//
+// To install, run:
+//
+//     $ go get golang.org/dl/go1.14.8
+//     $ go1.14.8 download
+//
+// And then use the go1.14.8 command as if it were your normal go
+// command.
+//
+// See the release notes at https://golang.org/doc/devel/release.html#go1.14.minor
+//
+// File bugs at https://golang.org/issues/new
+package main
+
+import "golang.org/dl/internal/version"
+
+func main() {
+	version.Run("go1.14.8")
+}
diff --git a/go1.15.1/main.go b/go1.15.1/main.go
new file mode 100644
index 0000000..d385382
--- /dev/null
+++ b/go1.15.1/main.go
@@ -0,0 +1,24 @@
+// Copyright 2020 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 go1.15.1 command runs the go command from Go 1.15.1.
+//
+// To install, run:
+//
+//     $ go get golang.org/dl/go1.15.1
+//     $ go1.15.1 download
+//
+// And then use the go1.15.1 command as if it were your normal go
+// command.
+//
+// See the release notes at https://golang.org/doc/devel/release.html#go1.15.minor
+//
+// File bugs at https://golang.org/issues/new
+package main
+
+import "golang.org/dl/internal/version"
+
+func main() {
+	version.Run("go1.15.1")
+}