Initial release v1.2.0 — Hellion NewTab Browser Extension

Persoenlicher Bookmark-Dashboard als Browser-Extension.
8 Themes, Drag & Drop, Sticky Notes, JSON Export/Import.
Chrome, Edge, Brave, Opera, Vivaldi (MV3) + Firefox (MV2).

Includes GitHub Actions for security scanning, code quality
validation, and automated release packaging.

.github/workflows/security.yml

@@ -0,0 +1,42 @@
+# Sicherheitsprüfung — läuft bei Push und PR auf main/master
+name: Security Scan
+
+on:
+  push:
+    branches: [main, master]
+  pull_request:
+    branches: [main, master]
+  schedule:
+    # Wöchentlich Montag 06:00 UTC
+    - cron: '0 6 * * 1'
+
+permissions:
+  contents: read
+  security-events: write
+
+jobs:
+  codeql:
+    name: CodeQL Analysis
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Initialize CodeQL
+        uses: github/codeql-action/init@v3
+        with:
+          languages: javascript
+
+      - name: Run CodeQL Analysis
+        uses: github/codeql-action/analyze@v3
+
+  dependency-review:
+    name: Dependency Review
+    runs-on: ubuntu-latest
+    if: github.event_name == 'pull_request'
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Dependency Review
+        uses: actions/dependency-review-action@v4