CI: first step towards using GitLab CI in EDDIE

For now this will only build eddie and provide feedback on merge requests. Different compilers, sanitizers and unit tests are planned for the future.

Signed-off-by: Stefan Schmidt stefan.schmidt@huawei.com

.gitlab-ci.yml

+default:
+  interruptible: true
+
+stages:
+  - build
+
+image: gcc
+
+build:
+  stage: build
+  before_script:
+    - apt update && apt -y install make cmake libcoap3-dev
+  script:
+    - mkdir build && cd build
+    - cmake .. && make