ci: Create basic CI

.github/workflows/ci.yml

@@ -0,0 +1,35 @@
+name: CI
+
+on:
+  push:
+  pull_request:
+    branches: [ main ]
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+
+    steps:
+    - uses: actions/checkout@v3
+
+    - name: Set up Conda
+      uses: conda-incubator/setup-miniconda@v2
+      with:
+        auto-update-conda: true
+        activate-environment: myenv
+        environment-file: environment.yml
+
+    - name: Install development dependencies
+      shell: bash -l {0}
+      run: |
+        conda env update --file environment-dev.yml
+    
+    - name: ruff check
+      shell: bash -l {0}
+      run: |
+        ruff check .
+    
+    - name: pytest
+      shell: bash -l {0}
+      run: |
+        pytest tests/

environment-dev.yml

@@ -2,5 +2,6 @@ channels:
   - conda-forge
 dependencies:
   # Test
+  - ruff
   - pytest
   - pytest-cov