Add github checks

Author: FabioBatSilva

.github/workflows/check.yaml

@@ -0,0 +1,18 @@
+name: Check
+
+on: [push, pull_request]
+
+jobs:
+  build:
+    runs-on: ${{ matrix.os }}
+    strategy:
+      fail-fast: false
+      matrix:
+        os: [ubuntu-20.04]
+    steps:
+      -
+        name: Checkout
+        uses: actions/checkout@v2
+      -
+        name: Tests
+        run: make