[mobile-broadband-provider-info] Add gitltab-ci

[Thomas Haller <thaller src gnome org>]

commit 1fd45223049bf8743d8e692d85c9b91040427a92
Author: Guido Günther <agx sigxcpu org>
Date:   Mon Apr 6 14:25:27 2020 +0200

    Add gitltab-ci
    
    This makes sure the XML validates
    
    https://gitlab.gnome.org/GNOME/mobile-broadband-provider-info/-/merge_requests/15

 .gitlab-ci.yml | 12 ++++++++++++
 1 file changed, 12 insertions(+)
---
diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
new file mode 100644
index 0000000..1c530d6
--- /dev/null
+++ b/.gitlab-ci.yml
@@ -0,0 +1,12 @@
+test:
+  image: debian:buster
+  stage: test
+  before_script:
+    - echo "man-db man-db/auto-update boolean false" | debconf-set-selections
+    - export DEBIAN_FRONTEND=noninteractive
+    - apt-get update
+    - apt-get -y install libxml2-utils xsltproc automake make
+  script:
+    - ./autogen.sh
+    - make check
+