Fix missing link in the documentations

[onacit]

In following part in the documentation,

https://docs.spring.io/spring-data/rest/docs/current/reference/html/#repository-resources

Some part of text of link seems missing.

using @RestResource(exported = false) — won’t expose those HTTP methods on those resources.

For details on how to tweak the default method exposure or dedicated HTTP methods individually see <<<MISSING???>>>

4.1.2. Default Status Codes