Inspired by MacOsX notes
- handle add new note
- handle delete note
- handle the delete errors
- handle lock note
- handle select note highlight
- handle panel resize
- handle add pictures
- text format
- bold
- italic
- underline
- strike-through
- unordered list
- rename on double click and enter
- remove html entities from note title
- search feature
- local storage
- DB storage