pw_rpc: Module boilerplate

This change creates the pw_rpc module with all of the standard Pigweed
module boilerplate.

Change-Id: Iac3951a81a0edd286a8b1c7e19c614a7b73c0d07
diff --git a/pw_rpc/server_test.cc b/pw_rpc/server_test.cc
new file mode 100644
index 0000000..3079f00
--- /dev/null
+++ b/pw_rpc/server_test.cc
@@ -0,0 +1,32 @@
+// Copyright 2020 The Pigweed Authors
+//
+// Licensed under the Apache License, Version 2.0 (the "License"); you may not
+// use this file except in compliance with the License. You may obtain a copy of
+// the License at
+//
+//     https://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+// WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+// License for the specific language governing permissions and limitations under
+// the License.
+
+#include "pw_rpc/server.h"
+
+#include "gtest/gtest.h"
+
+namespace pw::rpc {
+namespace {
+
+TEST(Server, DoesStuff) {
+  constexpr Channel channels[] = {
+      Channel(1, nullptr),
+      Channel(2, nullptr),
+  };
+  Server server(channels);
+  ASSERT_EQ(server.channel_count(), 2u);
+}
+
+}  // namespace
+}  // namespace pw::rpc