🌱 add: checkleak workflow

.github/workflows/check-gitleaks.yml

@@ -0,0 +1,18 @@
+name: gitleaks
+on:
+  pull_request:
+  push:
+    branches:
+      - '**'
+jobs:
+  scan:
+    name: gitleaks
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/[email protected]
+        with:
+          fetch-depth: 0
+      - uses: gitleaks/[email protected]
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+          GITLEAKS_LICENSE: ${{ secrets.GITLEAKS_LICENSE}} # Only required for Organizations, not personal accounts.