ci: add test workflow with bash linting and mise test job

Author: nsheaps

.github/workflows/test.yaml

@@ -0,0 +1,33 @@
+name: Test
+
+on:
+  push:
+    branches:
+      - main
+  pull_request:
+
+jobs:
+  lint:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Check bash syntax
+        run: |
+          for script in bin/*; do
+            [[ -d "$script" ]] && continue
+            echo "Checking $script..."
+            bash -n "$script"
+          done
+          echo "All scripts passed syntax check."
+
+  test:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Setup mise
+        uses: jdx/mise-action@v2
+
+      - name: Run tests
+        run: mise run test