[libxml2] Upload documentation to GitLab pages

[Nick Wellnhofer <nwellnhof src gnome org>]

commit 2017cae6dfd020355f1a4e8f209e99d4d19e1fab
Author: Nick Wellnhofer <wellnhofer aevum de>
Date:   Sat Feb 12 20:02:51 2022 +0100

    Upload documentation to GitLab pages

 .gitlab-ci.yml | 13 +++++++++++++
 1 file changed, 13 insertions(+)
---
diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 2b79ed63..73eac104 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -275,3 +275,16 @@ cmake:msvc:v141:x86:static:
   variables:
     BUILD_SHARED_LIBS: "OFF"
     SUFFIX: static
+
+pages:
+  script:
+    - mkdir -p public
+    - cp -r doc/devhelp doc/tutorial doc/xmllint.html doc/xmlcatalog_man.html public
+  artifacts:
+    paths:
+      - public
+    exclude:
+      - public/devhelp/Makefile*
+      - public/devhelp/*.xsl
+  only:
+    - master