Add actions workflow file for auto tests

.gitea/workflows/run-tests.yml

@@ -0,0 +1,43 @@
+name: Python tests (make)
+
+on:
+  push:
+    branches: ["**"]
+  pull_request:
+  workflow_dispatch:
+
+jobs:
+  test:
+    runs-on: ubuntu-22.04
+    container: mcr.microsoft.com/devcontainers/python:3.11
+
+    steps:
+      - name: Install Node (and git/make) inside container
+        run: |
+          set -eux
+          apt-get update
+          # add gcc & toolchain while keeping your originals
+          apt-get install -y --no-install-recommends curl ca-certificates git build-essential make
+          curl -fsSL https://deb.nodesource.com/setup_20.x | bash -
+          apt-get install -y --no-install-recommends nodejs
+          node -v
+          rm -rf /var/lib/apt/lists/*
+
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Install dependencies
+        if: hashFiles('requirements.txt') != ''
+        run: |
+          python -m pip install --upgrade pip
+          pip install -r requirements.txt
+
+      - name: Show Python info
+        run: |
+          python --version
+          pip --version || true
+
+      - name: Run tests via make
+        env:
+          LD_LIBRARY_PATH: build
+        run: make test