Merge pull request #5 from opencollector/feat/ci

CI

Author: moriyoshi

.github/workflows/tests.yml

@@ -0,0 +1,24 @@
+on:
+  push:
+    branches:
+
+jobs:
+  test:
+    name: Test and lint sources
+    runs-on: ubuntu-latest
+    container:
+      image: python:3.11
+    steps:
+      - uses: actions/checkout@v2
+
+      - name: Set up environment
+        run: |
+          set -o xtrace -o errexit
+          pip install -e .[dev]
+
+      - name: Linting
+        run: |
+          set -o xtrace -o errexit
+          black --check src
+          flake8 src
+          mypy src