Add install test (#8)

* Add first install test

* Fix style

* Split the test into spanner and bigtable

* Correct indentation

* Add other distros, shared lib test, and kokoro configs

* Fix style

ci/kokoro/install/Dockerfile.fedora-30-shared

@@ -0,0 +1,58 @@
+# 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.
+
+FROM fedora:30 AS devtools
+
+# Please keep the formatting below, it is used by `extract-install.md`
+# to generate the contents of the top-level INSTALL.md.
+
+## [START INSTALL.md]
+
+# Install the minimal development tools:
+
+# ```bash
+RUN dnf makecache && \
+    dnf install -y cmake gcc-c++ git make openssl-devel pkgconfig \
+        zlib-devel
+# ```
+
+# Fedora includes packages for gRPC, libcurl, and OpenSSL that are recent enough
+# for `cpp-cmakefiles`. Install these packages and additional development
+# tools to compile the dependencies:
+
+# ```bash
+RUN dnf makecache && \
+    dnf install -y grpc-devel grpc-plugins \
+        libcurl-devel protobuf-compiler tar wget zlib-devel
+# ```
+
+FROM devtools AS install
+
+# #### googleapis
+
+# We can now compile and install `googleapis` as shared library.
+
+# ```bash
+WORKDIR /home/build/cpp-cmakefiles
+COPY . /home/build/cpp-cmakefiles
+RUN cmake -H. -Bcmake-out -DBUILD_SHARED_LIBS=yes
+RUN cmake --build cmake-out -- -j $(nproc)
+WORKDIR /home/build/cpp-cmakefiles/cmake-out
+RUN cmake --build . --target install
+# ```
+
+## [END INSTALL.md]
+
+# Verify that the installed files are actually usable
+RUN /home/build/cpp-cmakefiles/ci/test-install/compile-test-projects.sh