Merge branch 'main' of https://github.com/appml/neutrinote

Minor UI enhancements

Update README.md

Experiment with long press links in markdown view

Experiment with sharing by long press in markdown view

Various UI fixes

Fixed share dropdown menu

Improved share text ergonomics

Improved share text ergonomics

Preserve timestamp after revert

Seamless revert function

Various updates to reduce power usage

More power efficient editing

Improved undo/redo algorithm

Reduced overhead for OneUI workaround