Fixes for /swagger-ui/index.html & /v1/api-docs endpoints not being
accessible when login was enabled.
- `UserAuthenticationFilter.isPublicAuthEndpoint()` had gaps in its
check, missing `/v1/api-docs`
- Refactored `UserAuthenticationFilter` to use
`RequestUriUtils.isPublicAuthEndpoint()` instead of its own incorrect
method
Closes#5125 & #5028
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### Testing (if applicable)
- [x] I have tested my changes locally. Refer to the [Testing
Guide](https://github.com/Stirling-Tools/Stirling-PDF/blob/main/devGuide/DeveloperGuide.md#6-testing)
for more details.
# Description of Changes
- Add new skeleton loader style type (block - nothing's currently using
it but it might as well be available)
- Make Dev API overridable (and set to the new docs that actually work
while Swagger docs don't work properly)
Dario Ghunney WareandGitHub
James BruntonandGitHub