update CI from travis -> Github actions

Author: TomDonoghue

.github/workflows/build.yml

@@ -0,0 +1,36 @@
+# This workflow runs CI tests: it installs Python dependencies and run tests across a variety of Python versions
+
+name: build
+
+on:
+  push:
+    branches: [ main ]
+  pull_request:
+    branches: [ main ]
+
+jobs:
+  build:
+
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        python-version: [3.6, 3.7, 3.8, 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 pytest
+        pip install pytest-cov
+        pip install -r requirements.txt
+        pip install -r optional-requirements.txt
+    - name: Test with pytest
+      run: |
+        pytest --cov=./
+    - name: Upload coverage to Codecov
+      uses: codecov/codecov-action@v1

README.rst

@@ -10,8 +10,8 @@ FOOOF - fitting oscillations & one over f
 .. |Version| image:: https://img.shields.io/pypi/v/fooof.svg
 .. _Version: https://pypi.python.org/pypi/fooof/
 
-.. |BuildStatus| image:: https://travis-ci.com/fooof-tools/fooof.svg
-.. _BuildStatus: https://travis-ci.com/fooof-tools/fooof
+.. |BuildStatus| image:: https://github.com/fooof-tools/fooof/actions/workflows/build.yml/badge.svg
+.. _BuildStatus: https://github.com/fooof-tools/fooof/actions/workflows/build.yml
 
 .. |Coverage| image:: https://codecov.io/gh/fooof-tools/fooof/branch/main/graph/badge.svg
 .. _Coverage: https://codecov.io/gh/fooof-tools/fooof