Switch from Travis CI to GitHub Actions

.github/workflows/ci.yml

@@ -0,0 +1,19 @@
+name: CI
+on: [push, pull_request]
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v2
+    - uses: actions/setup-python@v1
+      with:
+        python-version: 3.6
+    - uses: actions/cache@v1
+      with:
+        path: ~/.cache/pip
+        key: ${{ runner.os }}-pip-${{ hashFiles('**/setup.py') }}
+        restore-keys: |
+          ${{ runner.os }}-pip-
+    - run: pip install .[docs,test]
+    - run: pytest --cov jscc --vcr-record=none
+    - run: coveralls

.github/workflows/lint.yml

@@ -0,0 +1,20 @@
+name: Lint
+on: [push, pull_request]
+env:
+  BASEDIR: https://raw.githubusercontent.com/open-contracting/standard-maintenance-scripts/master
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v2
+    - uses: actions/setup-python@v1
+      with:
+        python-version: 3.6
+    - uses: actions/cache@v1
+      with:
+        path: ~/.cache/pip
+        key: ${{ runner.os }}-pip-${{ hashFiles('.github/workflows/lint.yml') }}
+        restore-keys: |
+          ${{ runner.os }}-pip-
+    - run: curl -s -S --retry 3 $BASEDIR/tests/install.sh | bash -
+    - run: curl -s -S --retry 3 $BASEDIR/tests/script.sh | bash -