add trufflehog github workflow

.github/workflows/trufflehog.yml

@@ -0,0 +1,26 @@
+name: Trufflehog
+on: [pull_request, push, workflow_dispatch]
+
+jobs:
+  trufflehog:
+    name: trufflehog
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+
+      - name: Secret Scanning
+        uses: trufflesecurity/trufflehog@main
+        with:
+          extra_args: --only-verified
+
+      # Scan entire branch
+      - name: scan-push
+        uses: trufflesecurity/trufflehog@main
+        with:
+          base: ""
+          head: ${{ github.ref_name }}
+          extra_args: --only-verified