CI: Add github actions integration

Signed-off-by: Jonathas-Conceicao <jonathas.conceicao@ossystems.com.br>

.github/workflows/ci.yml

@@ -0,0 +1,33 @@
+name: CI
+
+on:
+  push:
+    branches:
+      - master
+  pull_request:
+
+jobs:
+  test:
+
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        python: [3.5, 3.6, 3.7, 3.8]
+
+    steps:
+      - uses: actions/checkout@v2
+      - name: Setup Python
+        uses: actions/setup-python@v1
+        with:
+          python-version: ${{ matrix.python }}
+      - name: Install Dependencies
+        run: pip install tox coveralls
+      - name: Run schemas tests
+        run: ./tests/schemas/run.sh
+      - name: Run Tox
+        run: tox -e py
+      - name: Coverage
+        run: coveralls
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+