* Update gitlab.md with correct url for creating an application
* docs: fix gitlab docs url for oauth2 integration
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Co-authored-by: Jan Larwig <jan@larwig.com>
The original example only protected the root (`/`) path, leaving other routes unsecured.
* docs: add syntax highlighting for nginx config
* docs: fix headings in `configuration/integration` page
* docs: fix redirect in caddy configuraion example