* docs: Add nginx reverse-proxy example
This PR adds nginx reverse-proxy example to provision coder with tls certificate using letsencrypt certbot.
This will partially resolve#6086.
* change nginx example to to absolute path
* Update examples/web-server/nginx/README.md
Co-authored-by: Ben Potter <me@bpmct.net>
* Update examples/web-server/nginx/README.md
Co-authored-by: Ben Potter <me@bpmct.net>
* Update examples/web-server/nginx/README.md
Co-authored-by: Ben Potter <me@bpmct.net>
* Update examples/web-server/nginx/README.md
Co-authored-by: Ben Potter <me@bpmct.net>
* Update examples/web-server/nginx/README.md
Co-authored-by: Ben Potter <me@bpmct.net>
* Update examples/web-server/nginx/README.md
Co-authored-by: Ben Potter <me@bpmct.net>
* Update examples/web-server/nginx/README.md
Co-authored-by: Ben Potter <me@bpmct.net>
* Update examples/web-server/nginx/README.md
Co-authored-by: Ben Potter <me@bpmct.net>
* Update examples/web-server/nginx/README.md
Co-authored-by: Ben Potter <me@bpmct.net>
* Update examples/web-server/nginx/README.md
Co-authored-by: Ben Potter <me@bpmct.net>
* Update examples/web-server/nginx/README.md
Co-authored-by: Ben Potter <me@bpmct.net>
* Update examples/web-server/nginx/README.md
Co-authored-by: Ben Potter <me@bpmct.net>
* Update examples/web-server/nginx/README.md
Co-authored-by: Ben Potter <me@bpmct.net>
* Update examples/web-server/nginx/README.md
Co-authored-by: Ben Potter <me@bpmct.net>
* Update examples/web-server/nginx/README.md
Co-authored-by: Ben Potter <me@bpmct.net>
* refactor: replaced bullets with numbered lists
* remove the ambiguous ip addr.
* fixed a typo
* correctly handle the wildcard subdomain
* simplified after testing
* fmt: prettier formatting
* Adapt to the coder style guide
* fix: agent disconnection
* Update examples/web-server/nginx/README.md
Co-authored-by: Ben Potter <me@bpmct.net>
* Update docs/admin/configure.md
Co-authored-by: Ben Potter <me@bpmct.net>
* Update examples/web-server/nginx/README.md
Co-authored-by: Ben Potter <me@bpmct.net>
* updated with suggested changes
* updated with requested changes
* add reference to certbot docs for other dns providers
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Co-authored-by: Ben Potter <me@bpmct.net>