Update .gitlab-ci.yml file with build and test

# libcdict CI build and tests

# We default to building on Ubuntu-latest

# then install the required tools, build and

# test.

default:

    image: ubuntu:latest

  - build

  - test

build-gcc:       # This job runs in the build stage, which runs first.

build-gcc:       # build libcdict using gcc

  stage: build

  script:

    - echo "Installing packages"

    paths:

      - builddir

test-cdict:   # This job runs in the test stage.

  stage: test    # It only starts when the job in the build stage completes successfully.

test-cdict:   # run cdict-config to test libcdict build

  stage: test    

  dependencies:

    - build-gcc

  script: