ci: Add CI workflow

Author: j-ulrich

.github/workflows/ci.yml

@@ -0,0 +1,26 @@
+name: CI
+
+on: [ push, pull_request, workflow_dispatch ]
+
+jobs:
+    build and test:
+        name: Build & Test
+        runs-on: ubuntu-latest
+        steps:
+            - uses: actions/checkout@v2
+            - name: Build and run tests
+              run: >
+                docker run --rm
+                -v "${GITHUB_WORKSPACE}:/workspace"
+                julrich/docker_qt:latest
+                /bin/bash -c "
+                cd /workspace
+                && g++ --version
+                && qmake --version
+                && cd tests
+                && mkdir _build
+                && cd _build
+                && cmake -DCMAKE_BUILD_TYPE=Release ..
+                && make all
+                && ctest --ouput-on-failure
+                "

.travis.yml

@@ -25,7 +25,6 @@ Updates and adds missing status codes from the IANA registry.
 - {C++11} Added missing `Code::xxx_max` enumerator.
 
 
-
 ---