FEATURE: Add a workflow to check the code against virus

.github/workflows/gitavscan.yml

@@ -0,0 +1,14 @@
+on: [push]
+
+jobs:
+  gitavscan:
+    runs-on: ubuntu-latest
+    name: AV scan
+    steps:
+    - name: Checkout
+      uses: actions/checkout@v4
+      with:
+        fetch-depth: '0'
+
+    - name: Git AV Scan
+      uses: djdefi/gitavscan@main