new file: .gitlab-ci.yml

	new file:   run_example

.gitlab-ci.yml

+pages:
+  cache:
+    paths:
+      - node_modules/
+  image: node:latest
+  script:
+    - mkdir public && cp doc/main.html public/index.html
+  artifacts:
+    paths:
+      - public
+
+

run_example

+#!/bin/bash
+
+npsim  --runType run  --enableG4GPS \
+   --macroFile gps.mac \
+   --compactFile gem_tracker.xml \
+   --outputFile gem_tracker_sim.root  || exit