2.5.5

Another long-awaited major update: message styling revamp, plus math and code syntax highlighting support! 🎉🎉🎉

• Now the messages are more compact and clean, with better math, code and table support.
• The Send button turns to Stop button when it's streaming, old Stop button is gone.
• Some housekeeping and minor tweaks
  • Refactored Settings components
  • Added prettier and husky for formatting pre-commit hook
  • Show default system prompt as placeholder for better visibility
  • Bug fix: find notes by path corner case
  • Community contribution: @pontabi 's first ever PR, aligns Copy button at the bottom right of messages