fix: Add back scans to documentation repo

.github/.trivyConf.yaml

@@ -0,0 +1,4 @@
+exit-code: 1
+severity:
+  - HIGH
+  - CRITICAL

.github/dependabot.yml

@@ -0,0 +1,6 @@
+version: 2
+updates:
+  - package-ecosystem: "pip" # See documentation for possible values
+    directory: "/" # Location of package manifests
+    schedule:
+      interval: "weekly"

.github/workflows/trivy-scan.yaml

@@ -0,0 +1,33 @@
+name: trivy code scan
+on:
+  push:
+    branches:
+    - master
+  pull_request:
+permissions:
+  contents: read
+
+jobs:
+  trivy_scan:
+    permissions:
+      contents: read  # for actions/checkout to fetch code
+      security-events: write  # for github/codeql-action/upload-sarif to upload SARIF results
+    name: trivy scan
+    runs-on: ubuntu-20.04
+    steps:
+    - name: Checkout code
+      uses: actions/checkout@v3
+
+    - name: Run Trivy vulnerability scanner in fs mode
+      uses: aquasecurity/trivy-action@master
+      with:
+        scan-type: 'fs'
+        scan-ref: '.'
+        format: 'sarif'
+        output: 'trivy-results.sarif'
+        trivy-config: ./github/.trivyConf.yaml
+
+    - name: Upload Trivy scan results to GitHub Security tab
+      uses: github/codeql-action/upload-sarif@v2
+      with:
+        sarif_file: 'trivy-results.sarif'