add github workflow for ruff

.github/workflows/ruff.yml

@@ -0,0 +1,31 @@
+name: "Ruff"
+
+on:
+  push:
+    branches: [ master ]
+  pull_request:
+    # The branches below must be a subset of the branches above
+    branches: [ master ]
+  schedule:
+    - cron: '33 1 * * 3'
+
+jobs:
+  ruff:
+    name: "https://docs.astral.sh/ruff/"
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v3
+      - name: cd and ls
+        run: |
+          cd ${{ github.workspace }}
+          ls -l
+      - name: Download ruff
+        run: |
+          wget -c https://github.com/astral-sh/ruff/releases/download/v0.0.290/ruff-x86_64-unknown-linux-gnu.tar.gz
+          tar -xzf ruff-x86_64-unknown-linux-gnu.tar.gz
+          ls -l ruff
+          chmod a+x ruff
+      - name: Run ruff
+        run: ./ruff ./pyglossary