New Feature and fixes

[aidenlx]

• fix: click on folder with note no longer trigger explorer event
• feat: auxclick folder name to open folder note in new leaf (close #18)
• feat: auto hide all existing folder note
• style: code formatting

[aidenlx]

If it is not convenient for you to do code reviews, maybe consider adding a license so that I can maintain a forked version?

[aidenlx]

I've written an new plugin which offers a better solution using obsidian api and is no longer based on this repo, and therefore, I'm closing this pr.