feat(slam): add cartographer_ros

cartographer/WORKSPACE

@@ -0,0 +1,33 @@
+# Copyright 2018 The Cartographer 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
+#
+#      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.
+
+workspace(name = "com_github_googlecartographer_cartographer")
+
+load("//:bazel/repositories.bzl", "cartographer_repositories")
+
+cartographer_repositories()
+
+# This can't be inside cartographer_repositories() because of:
+# https://github.com/bazelbuild/bazel/issues/1550
+load("@com_github_nelhage_rules_boost//:boost/boost.bzl", "boost_deps")
+
+boost_deps()
+
+load("@com_github_grpc_grpc//bazel:grpc_deps.bzl", "grpc_deps")
+
+grpc_deps()
+
+load("@com_github_jupp0r_prometheus_cpp//:repositories.bzl", "prometheus_cpp_repositories")
+
+prometheus_cpp_repositories()