Add .codeclimate.yml config to the project

Signed-off-by: Dmitriy Zaporozhets <dmitriy.zaporozhets@gmail.com>

.codeclimate.yml

+---
+engines:
+  bundler-audit:
+    enabled: true
+  duplication:
+    enabled: true
+    config:
+      languages:
+      - ruby
+  fixme:
+    enabled: true
+  rubocop:
+    enabled: true
+exclude_paths:
+- spec/
+- lib/vendor/
+- go/vendor/
+- tmp/
+- coverage/

.gitlab-ci.yml

@@ -80,7 +80,6 @@ codeclimate:
     - docker:dind
   script:
     - docker pull codeclimate/codeclimate
-    - docker run --env CODECLIMATE_CODE="$PWD" --volume "$PWD":/code --volume /var/run/docker.sock:/var/run/docker.sock --volume /tmp/cc:/tmp/cc codeclimate/codeclimate init
     - docker run --env CODECLIMATE_CODE="$PWD" --volume "$PWD":/code --volume /var/run/docker.sock:/var/run/docker.sock --volume /tmp/cc:/tmp/cc codeclimate/codeclimate analyze -f json > codeclimate.json
   artifacts:
     paths: [codeclimate.json]