A lot of significant changes and improvements this time. Most of them according to your comments. Thank you and enjoy! 👍

Changes/Improvements

feature request: changed items drag&drop behaviour (to move items user has dedicated handler on the left)
feature request: after clicking in text item is not marked as done now (user has to use checkbox directly)
feature request: context menu for copy/cut/paste
feature request: action button with: move to top/bottom of the board, and "move to another boad"
feature request: setting added: board list fixed on the top of the screen
feature request: saving board items as a JSON file (in settings modal)
feature request: added Markdown mode (to turn on in settings modal)
removed support for HTML tags (it wasn't the best idea to add it). now user has plaintext/markdown mode
added information about database location in settings modal
changed reordering tabs feature - now it requires full app restart + added dedicated handler for drag&drop on the left
dependency bump of electron (v2.0.2), iview, vue and others

Bug fixes