[Dev Spaces] updating landing page with NGINX link

Author: zr-msft

articles/dev-spaces/index.yml

@@ -63,6 +63,8 @@ landingContent:
             url: how-to/run-dev-spaces-windows-containers.md
           - text: Use traefik for custom ingress and HTTPS
             url: how-to/ingress-https-traefik.md
+          - text: Use NGINX for custom ingress and HTTPS
+            url: how-to/ingress-https-nginx.md
 
 
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