Set up github actions

Signed-off-by: Alex Forencich <alex@alexforencich.com>

.github/workflows/regression-tests.yml

@@ -0,0 +1,35 @@
+name: Regression Tests
+
+on: [push, pull_request]
+
+jobs:
+  build:
+    name: Python ${{ matrix.python-version }} (${{ matrix.group }}/10)
+    runs-on: ubuntu-24.04
+    
+    strategy:
+      matrix:
+        python-version: ["3.13"]
+        # group: [1, 2, 3, 4, 5, 6, 7, 8, 9, 10]
+        group: [1]
+
+    steps:
+    - uses: actions/checkout@v3
+
+    - name: Set up Python ${{ matrix.python-version }}
+      uses: actions/setup-python@v4
+      with:
+        python-version: ${{ matrix.python-version }}
+
+    - name: Install Ubuntu packages
+      run: |
+        sudo apt install -y --no-install-recommends iverilog verilator
+
+    - name: Install Python dependencies
+      run: |
+        python -m pip install --upgrade pip
+        pip install tox tox-gh-actions
+
+    - name: Test with tox
+      # run: tox -- -n auto --verbose --splits 10 --group ${{ matrix.group }} --splitting-algorithm least_duration
+      run: tox -- -n auto --verbose --splits 1 --group ${{ matrix.group }} --splitting-algorithm least_duration