ci: add security analysis action (Azure-Samples#145)

.github/ISSUE_TEMPLATE.md

@@ -0,0 +1,33 @@
+<!--
+IF SUFFICIENT INFORMATION IS NOT PROVIDED VIA THE FOLLOWING TEMPLATE THE ISSUE MIGHT BE CLOSED WITHOUT FURTHER CONSIDERATION OR INVESTIGATION
+-->
+> Please provide us with the following information:
+> ---------------------------------------------------------------
+
+### This issue is for a: (mark with an `x`)
+```
+- [ ] bug report -> please search issues before submitting
+- [ ] feature request
+- [ ] documentation issue or request
+- [ ] regression (a behavior that used to work and stopped in a new release)
+```
+
+### Minimal steps to reproduce
+>
+
+### Any log messages given by the failure
+>
+
+### Expected/desired behavior
+>
+
+### OS and Version?
+> Windows 7, 8 or 10. Linux (which distribution). macOS (Yosemite? El Capitan? Sierra?)
+
+### Versions
+>
+
+### Mention any other details that might be useful
+
+> ---------------------------------------------------------------
+> Thanks! We'll be in touch soon.

.github/workflows/azure-dev-validation.yml

@@ -0,0 +1,30 @@
+name: Validate AZD template
+on:
+  push:
+    branches: [main]
+    paths:
+      - 'infra/**'
+  pull_request:
+    branches: [main]
+    paths:
+      - 'infra/**'
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Run Microsoft Security DevOps Analysis
+        uses: microsoft/security-devops-action@preview
+        id: msdo
+        continue-on-error: true
+        with:
+          tools: templateanalyzer
+
+      - name: Upload alerts to Security tab
+        if: github.repository == 'Azure-Samples/azure-search-openai-javascript'
+        uses: github/codeql-action/upload-sarif@v2
+        with:
+          sarif_file: ${{ steps.msdo.outputs.sarifFile }}