Syntax highlighting for yarn.lock and bun.lockb files

Plugin is not publushed yet on Package Control, to install it follow these steps:

• run Package Control: Add Repository command, add https://github.com/alexkuz/sublime-yarn-lock there;
• find and select sublime-yarn-lock package in Install Package menu.

• bun_path - path to Bun executable (required for bun.lockb files processing), ~/.bun/bin by default.