Support for java.math.BigDecimal values

[xorye]

It would be great if there were application.properties and application.yaml value support for the java.math.BigDecimal type and java.util.Optional<java.math.BigDecimal> type.

Currently, in a project with the SmallRye OpenTracing Quarkus extension installed:

<dependency>
    <groupId>io.quarkus</groupId>
    <artifactId>quarkus-smallrye-opentracing</artifactId>
</dependency>

the quarkus.jaeger.sampler-param property expects a java.util.Optional<java.math.BigDecimal> type.

Since the language server does not recognize this value, if I set:
quarkus.jaeger.sampler-param=false,
there is no diagnostic informing the user that false is invalid for the property.