Draw schedule lines using a single spline

Closes #235 (closed)

.gitlab-ci.yml

@@ -28,9 +28,10 @@ before_script:
     # - lcov --output-file coverage.info --extract coverage.info $PWD/src/'*' $PWD/b_asic/'*'
     # - lcov --list coverage.info
     # - find . -name '*.gc*' -delete
+    - zip result_images.zip -r result_images/
   artifacts:
     paths:
-      - result_images/
+      - result_images.zip
     reports:
       coverage_report:
         coverage_format: cobertura