Use GitHub Actions instead

Signed-off-by: Sora Morimoto <[email protected]>

.github/workflows/workflow.yml

@@ -0,0 +1,32 @@
+name: Main workflow
+
+on:
+  - pull_request
+  - push
+
+jobs:
+  build:
+    strategy:
+      matrix:
+        os:
+          - ubuntu-latest
+        python-version:
+          - 2.7
+          - 3.9
+
+    runs-on: ${{ matrix.os }}
+
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v2
+
+      - name: Use Python ${{ matrix.python-version }}
+        uses: actions/setup-python@v2
+        with:
+          python-version: ${{ matrix.python-version }}
+
+      - name: Install packages
+        run: pip install -r dev-requirements.txt
+
+      - name: Run tests
+        run: make test

README.md

@@ -3,7 +3,7 @@ codemod
 
 [![PyPI](https://img.shields.io/pypi/v/codemod.svg)](https://pypi.python.org/pypi/codemod)
 [![downloads](https://img.shields.io/pypi/dw/codemod.svg)](https://pypi.python.org/pypi/codemod)
-[![Travis CI](http://img.shields.io/travis/facebook/codemod.svg)](https://travis-ci.org/facebook/codemod)
+[![Main workflow](https://github.com/facebook/codemod/workflows/Main%20workflow/badge.svg?branch=master)](https://github.com/facebook/codemod/actions)
 [![Code Health](https://landscape.io/github/rochacbruno/codemod/master/landscape.svg?style=flat)](https://landscape.io/github/rochacbruno/codemod/master)