ci: migrate from Travis CI to GitHub Actions

Author: ktok07b6

.github/workflows/test.yml

@@ -0,0 +1,27 @@
+name: Test Suite
+
+on:
+  push:
+    branches: [main, devel]
+  pull_request:
+    branches: [main]
+
+jobs:
+  test:
+    runs-on: ubuntu-latest
+    timeout-minutes: 10
+    steps:
+      - uses: actions/checkout@v4
+
+      - uses: actions/setup-python@v5
+        with:
+          python-version: "3.12"
+
+      - name: Install iverilog
+        run: sudo apt-get install -y iverilog
+
+      - name: Install dependencies
+        run: pip install -e .
+
+      - name: Run test suite (HDL + Python sim)
+        run: timeout 300 python suite.py -f -j -P -n 4

.gitignore

@@ -2,6 +2,7 @@
 .gitignore
 .*/
 .*
+!.github/
 
 # Debugging
 debug*