feat(cicd): init cicd with build

.gitlab-ci.yml

+image: docker:git
+
+services:
+  - docker:dind
+
+stages:
+  - sonar-analysis
+  - build
+  - deploy
+
+build:
+  image: docker:18.09
+  services:
+    - docker:18.09-dind
+  stage: build
+  script:
+    - docker login -u $CI_REGISTRY_USER -p $CI_REGISTRY_PASSWORD $CI_REGISTRY
+    - docker build --pull -t "$CI_REGISTRY_IMAGE:$CI_COMMIT_REF_SLUG" .
+    - docker push "$CI_REGISTRY_IMAGE:$CI_COMMIT_REF_SLUG"
+
+code_analysis:
+  image: skilldlabs/sonar-scanner:3.4.0
+  services:
+    - docker:18.09-dind
+  stage: sonar-analysis
+  only:
+    - dev
+  script:
+    - >
+      sonar-scanner
+      -Dsonar.projectName=${SONAR_PROJECT_KEY}
+      -Dsonar.projectVersion=1.0
+      -Dsonar.sourceEncoding=UTF-8
+      -Dsonar.projectBaseDir=.
+      -Dsonar.host.url=${SONAR_URL}
+      -Dsonar.projectKey=${SONAR_PROJECT_KEY}
+      -Dsonar.login=${SONAR_TOKEN}