initial conversion from travis

Author: Zak Zajac

.github/workflows/build.yml

@@ -0,0 +1,29 @@
+name: python-json-logger build
+
+on:
+  - push
+  - pull_request
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    strategy:
+      fail-fast: false
+      matrix:
+        python: [pypy3, 3.5, 3.6, 3.7, 3.8, 3.9, 3.10]
+
+    steps:
+      - uses: actions/checkout@v2
+
+      - name: Set up Python ${{ matrix.python-version }}
+        uses: actions/setup-python@v2
+        with:
+          python-version: ${{ matrix.python-version }}
+
+      - name: Install dependencies
+        run: |
+          python -m pip install --upgrade pip
+          pip install tox tox-gh-actions
+
+      - name: Text with tox
+        run: tox