2.0.6

Add | Shift+Insert - paste, Ctrl+Insert - copy, Shift+Delete - cut #196
Add | lists containing only 1. numbering to not be automatically incremented #198

Improve | make cursor thinner #271

Fix | cursor position is incorrect for korean characters #282
Fix | git markers shown on a file not in a Git repo #281
Fix | dragging window in preview mode causes scrolling up #277
Fix | preview can sometimes incorrectly parse an empty paragraph and throw an error
Fix | Help menu under macOS don't have a Search input
Fix | Fix Enter Licence doesn't work
Fix | Licenced menu item is always visible