Add build test

.gitlab-ci.yml

@@ -1,12 +1,15 @@
-# Define the stages of your pipeline
+# Define stages
 stages:
-  - check
+  - build
+  - test
 
-# Define a job for the check stage
-check_pipeline:
-  stage: check
-  image: alpine:latest # Use a lightweight Docker image
+# Build job
+build:
+  stage: build
+  image: gcc:latest # Use GCC for building C/C++ projects
   script:
-    - echo "Pipeline is running!"
-    - uname -a # Print system information
-    - whoami   # Print current user
+    - echo "Building the application..."
+    - mkdir -p build
+    - cd build
+    - cmake .. # Configure the build
+    - make     # Compile the application