ci: rewrite workflow with corrected YAML

Rewrote .github/workflows/ci-pipeline.yml for clarity and correctness.
- Fixed on: block indentation (push + workflow_dispatch)
- Ensured concurrency is properly scoped
- Indented steps consistently under each job
- Docker build now accepts BUILD_ID and produces tagged image
- Both Linux and Windows artifacts upload correctly

Author: iplaycomputer

.github/workflows/ci-pipeline.yml

@@ -9,7 +9,6 @@ concurrency:
   group: ${{ github.workflow }}-${{ github.ref }}
   cancel-in-progress: true
 
-
 jobs:
   build-linux:
     name: Build on Linux
@@ -23,20 +22,19 @@ jobs:
 
       - name: Set up Docker Buildx
         uses: docker/setup-buildx-action@v3
-        
-    - name: Build sample image
-      run: |
-        docker build \
-          --build-arg BUILD_ID=${{ github.run_id }} \
-          -t myorg/sample-app:ci-${{ github.run_id }} \
-          ./exercises/02-containerize-app/app
-          
 
-- name: Upload linux artifact
-  uses: actions/upload-artifact@v4
-  with:
-    name: linux-app-source
-    path: ./exercises/02-containerize-app/app
+      - name: Build sample image
+        run: |
+          docker build \
+            --build-arg BUILD_ID=${{ github.run_id }} \
+            -t myorg/sample-app:ci-${{ github.run_id }} \
+            ./exercises/02-containerize-app/app
+
+      - name: Upload linux artifact
+        uses: actions/upload-artifact@v4
+        with:
+          name: linux-app-source
+          path: ./exercises/02-containerize-app/app
 
   build-windows:
     name: Build on Windows