Update GitLab CI configuration (comments only).

Document where the HTML documentation will be installed.


git-svn-id: file:///fltk/svn/fltk/branches/branch-1.4@12999 ea41ed52-d2ee-0310-a9c1-e6b18d33e121

.gitlab-ci.yml

@@ -5,9 +5,13 @@
 # (1) Continuously building FLTK with several build systems.
 # (2) Generating current HTML documentation and putting it online.
 #
-# The documentation will be at:
+# The documentation will be viewable at:
 #
-# https://fltk.gitlab.io/fltk/
+# https://fltk.gitlab.io/<repository>/
+#
+# <repository> can be one of:
+#  - fltk
+#  - fltk-test
 #
 # Details of this script:
 #
@@ -74,6 +78,7 @@ documentation:
     - apt update && apt -y install make autoconf man doxygen
   script:
     - make clean
+    - doxygen --version
     - cd documentation && make && make html
   artifacts:
     paths: