Nginx:1.21.6

Tag 1.21.6 follows Nginx version 1.21.6.

What's Changed

• [HOU-220]: Create nginx-spa docker image by @alehechka in #1

New Contributors

• @alehechka made their first contribution in #1

Full Changelog: https://github.com/dmsi-io/nginx-spa/commits/v1.21.6