Add debug workflow

Author: McSinyx

.github/workflows/debug.yml

@@ -0,0 +1,13 @@
+name: Debug build and test
+on:
+  - push
+  - pull_request
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v4
+    - name: build
+      run: make -j$(nproc) debug
+    - name: check
+      run: make check-debug