Add Github Actions support

Author: Neloop

.github/workflows/ci.yml

@@ -0,0 +1,23 @@
+name: CI
+
+on: [push, pull_request]
+
+jobs:
+  test:
+    runs-on: ubuntu-20.04
+    strategy:
+      matrix:
+        python-version: [3.6, 3.9]
+
+    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 -r requirements.txt
+      - name: Run tests
+        run: python monitor/test

README.rst

@@ -1,8 +1,8 @@
 Monitor
 =======
 
-.. image:: https://travis-ci.org/ReCodEx/monitor.svg?branch=master
-   :target: https://travis-ci.org/ReCodEx/monitor
+.. image:: https://github.com/ReCodEx/monitor/workflows/CI/badge.svg
+   :target: https://github.com/ReCodEx/monitor/actions
 
 .. image:: http://img.shields.io/:license-mit-blue.svg
    :target: http://badges.mit-license.org