Update .gitlab-ci.yml file

.gitlab-ci.yml

@@ -1,5 +1,9 @@
 stages:
+  - prepare
+  - build
+  - test
   - update
+  - deploy
 
 composer_update:
   stage: update
@@ -13,3 +17,23 @@ composer_update:
     key: ${CI_COMMIT_REF_SLUG}
     paths:
       - vendor/
+
+prepare:
+  stage: prepare
+  script:
+    - echo "Preparing environment..."
+
+build:
+  stage: build
+  script:
+    - echo "Building the project..."
+
+test:
+  stage: test
+  script:
+    - echo "Running tests..."
+
+deploy:
+  stage: deploy
+  script:
+    - echo "Deploying the project..."