Add CI workflow

.github/workflows/main.yaml

@@ -0,0 +1,55 @@
+name: ci
+on:
+    push:
+        branches:
+            - main
+    pull_request:
+        branches:
+            - main
+    workflow_dispatch:
+jobs:
+    lint:
+        runs-on: ubuntu-latest
+        steps:
+            - name: setup-python
+              uses: actions/setup-python@v2
+              with:
+                python-version: 3.7
+            - name: checkout-main
+              uses: actions/checkout@v2
+            - name: install-package
+              run: pip install -e .[development]
+            - name: check-format
+              run: autopep8 --recursive --exit-code --diff setup.py metastore/
+            - name: check-lint
+              run: pylint setup.py metastore/
+    test:
+        runs-on: ubuntu-latest
+        steps:
+            - name: setup-python
+              uses: actions/setup-python@v2
+              with:
+                python-version: 3.7
+            - name: checkout-main
+              uses: actions/checkout@v2
+            - name: install-package
+              run: pip install -e .[development]
+            - name: test-package
+              run: pytest
+            - name: check-coverage
+              run: pytest --cov --cov-fail-under
+    build-publish:
+        runs-on: ubuntu-latest
+        steps:
+            - name: setup-python
+              uses: actions/setup-python@v2
+              with:
+                python-version: 3.7
+            - name: checkout-main
+              uses: actions/checkout@v2
+            - name: install-package
+              run: pip install -e .[development]
+            - name: build-package
+              run: python setup.py bdist_wheel
+            - name: publish-package
+              run: twine upload dist/*