Migrate to Github Actions

Author: hefloryd

.github/workflows/build.yml

@@ -0,0 +1,31 @@
+name: build
+on: [push, pull_request]
+env:
+  BUILD_TYPE: Release
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+        with:
+          submodules: true
+
+      - name: Install dependencies
+        run: sudo apt-get install doxygen
+
+      - name: Configure
+        shell: bash
+        run: |
+          cmake -E make_directory ${{github.workspace}}/build
+          cmake -B ${{github.workspace}}/build -S ${{github.workspace}} \
+             -DCMAKE_BUILD_TYPE=$BUILD_TYPE
+
+      - name: Build
+        shell: bash
+        run: |
+          cmake --build ${{github.workspace}}/build --target all docs install -j4
+
+      - name: Test
+        shell: bash
+        run: |
+          cmake --build ${{github.workspace}}/build --target check

.travis.yml

@@ -1,6 +1,6 @@
 c-open: CANopen stack
 =====================
-[![Build Status](https://travis-ci.org/rtlabs-com/c-open.svg?branch=master)](https://travis-ci.org/rtlabs-com/c-open)
+[![Build Status](https://github.com/rtlabs-com/c-open/workflows/build/badge.svg?branch=master)](https://github.com/rtlabs-com/c-open/actions?workflow=build)
 
 This repository contains a CANopen stack for both master and
 slaves. The stack implements most of CiA 301 and 305 (LSS). The stack