Using BURP as a library

[jduchateau]

Currently BURP has been mainly designed to work as a CLI or can be executed with arguments as a string array.
There is a need for a better interface.

For example, BURP-Error provides the function:

fun doMain(
        mappingFilePath: String,
        outputFilePath: String?,
        outputFormat: Lang?,
        reportFilePath: String?,
        baseIRI: String,
        currentWorkingDirectory: Path
    ): Int