ci: publish documentation

Signed-off-by: Federico Vaga <federico.vaga@cern.ch>

.gitlab-ci.yml

@@ -22,6 +22,18 @@ build:
     - yum install -y kernel-devel
     - KERNELSRC=/usr/src/kernels/*/ make modules
 
+documentation:
+  stage: build
+  image:
+    name: gitlab-registry.cern.ch/coht/common-containers/documentation:latest
+  script:
+    - make -C Documentation/fmc html KERNELSRC=$(ls -1dr /linux-* | head -n 1)
+    - mkdir -p $EDL_CI_EOS_OUTPUT_DIR
+    - cp -a Documentation/fmc/_build/html/* $EDL_CI_EOS_OUTPUT_DIR
+  artifacts:
+    paths:
+      - $EDL_CI_EOS_OUTPUT_DIR
+
 build_dkms_rpm:
   stage: release
   script: