Add: Security scan cron job workflow

Co-authored-by: Apoorva Gupta <apoorvaagupta.info@gmail.com>

.github/workflows/security-scan.yml

@@ -0,0 +1,44 @@
+name: Security Scan
+
+on:
+  push:
+    branches:
+      - develop
+      - main
+  pull_request:
+    branches:
+      - develop
+      - main
+  schedule:
+    - cron: "0 0 * * 0" # Run weekly
+
+jobs:
+  security:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+
+      - name: Set up Python
+        uses: actions/setup-python@v4
+        with:
+          python-version: "3.10"
+
+      - name: Install dependencies
+        run: |
+          python -m pip install --upgrade pip
+          pip install bandit safety
+
+      - name: Run Bandit
+        run: |
+          bandit -r code/ app/ -ll
+
+      - name: Run Safety Check
+        run: |
+          safety check
+
+      - name: Run Snyk to check for vulnerabilities
+        uses: snyk/actions/python@master
+        env:
+          SNYK_TOKEN: ${{ secrets.SNYK_TOKEN }}
+        with:
+          command: monitor