HF RL Explorer

Add Path-based parsing methods and fix BOM handling bug

Add Path-based parsing methods and fix BOM handling bug: a task in LegoFlow-SWE (Harbor dataset). Currently, the Jsoup library provides methods like Jsoup.parse(File, …) to parse HTML from files, but lacks equivalent methods that accept java.nio.file.Path . Users working with modern file I/O (NIO)…

The task

Currently, the Jsoup library provides methods like `Jsoup.parse(File, …)` to parse HTML from files, but lacks equivalent methods that accept `java.nio.file.Path`. Users working with modern file I/O (NIO) must convert Path to File, which is inconvenient.

Part of Lego-X/LegoFlow-SWE.