Initial set of files.

The make install target is not working for .proto files, but otherwise
it seems to work.

.cmake-format.py

@@ -0,0 +1,42 @@
+# Copyright 2019 Google LLC
+#
+# 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
+#
+#     http://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.
+
+tab_size = 4
+separate_ctrl_name_with_space = True
+
+additional_commands = {
+    "externalproject_add": {
+        "flags": [
+        ],
+        "kwargs": {
+            "BUILD_COMMAND": "+",
+            "BUILD_BYPRODUCTS": "+",
+            "CMAKE_ARGS": "+",
+            "COMMAND": "+",
+            "CONFIGURE_COMMAND": "+",
+            "DEPENDS": "+",
+            "DOWNLOAD_COMMAND": "+",
+            "EXCLUDE_FROM_ALL": 1,
+            "INSTALL_COMMAND": "+",
+            "INSTALL_DIR": 1,
+            "LOG_BUILD": 1,
+            "LOG_CONFIGURE": 1,
+            "LOG_DOWNLOAD": 1,
+            "LOG_INSTALL": 1,
+            "PREFIX": 1,
+            "URL": 1,
+            "URL_HASH": 1,
+        }
+    }
+}