Allow templates with qute.html extension

[kucharzyk]

Currently quarkus-qute-web only supports templates with common extensions like .html

/pub/foo.html -> /foo

I would like to use qute.html extensions. Such templates are commonly used with qute

/pub/foo.qute.html -> /foo

Unfortunately currently it's not supported and /pub/foo.qute.html won't be mapped to /foo
It would be nice to support both to have more consistency between qute and qute-web.

[kucharzyk]

@mkouba I've opened PR to fix this issue

[mkouba]

For the record, the problem is only related to index pages. In other words, /pub/foo.qute.html -> /foo works just fine but /pub/index.qute.html -> / does not.

Fixed in #71.