add trufflehog action for secrets scanning (#32)

Co-authored-by: Michael Long <mlongii@amazon.com>

Author: bluesentinelsec

.github/workflows/scan_for_secrets.yml

@@ -0,0 +1,25 @@
+name: Scan for Secrets
+
+# This workflow tests that the action can successfully
+# scan a GitHub repository. This workflow runs automatically
+# every 6 hours, and on pushes.
+
+on: [push]
+
+jobs:
+  daily_job:
+    runs-on: ubuntu-latest
+    environment:
+      name: plugin-development
+
+    steps:
+      - name: Checkout this repository
+        uses: actions/checkout@v4
+
+      - name: TruffleHog OSS
+        uses: trufflesecurity/trufflehog@v3.73.0
+        with:
+          extra_args: --only-verified
+            
+
+