Attempt to add forgejo workflow

.forgejo/workflows/ci.yml

@@ -0,0 +1,40 @@
+name: CI
+
+on:
+  push:
+  pull_request:
+
+jobs:
+  test:
+    runs-on: docker
+
+    container:
+      image: debian:13
+      options: --privileged
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Install system dependencies
+        run: |
+          apt-get update
+          DEBIAN_FRONTEND=noninteractive apt-get install -y --no-install-recommends \
+            python3 python3-venv pipx curl git ca-certificates
+
+      - name: Install Poetry
+        run: |
+          pipx install poetry==1.8.3
+          poetry --version
+
+      - name: Install project deps (including test extras)
+        env:
+          POETRY_VIRTUALENVS_IN_PROJECT: "true"
+        run: |
+          poetry install --with test
+
+      - name: Run test script
+        run: |
+          chmod +x ./tests.sh
+          ./tests.sh
+