Merge branch 'add-ci-yml' into 'master'

Add .gitlab-ci.yml file



See merge request !3

.gitlab-ci.yml

+before_script:
+  - ./scripts/prepare_build.sh
+  - ruby -v
+  - which ruby
+  - gem install bundler --no-ri --no-rdoc
+  - bundle install
+
+rspec:
+  script:
+  - bundle exec rake test
+  tags:
+    - ruby
\ No newline at end of file

scripts/prepare_build.sh

+#!/bin/bash
+if [ -f /.dockerinit ]; then
+    apt-get update -qq
+    apt-get install -y -qq libicu-dev cmake
+else
+    export PATH=$HOME/bin:/usr/local/bin:/usr/bin:/bin
+fi
\ No newline at end of file