Jump to the first non-whitespace character first. If cursor is at first
non-whitespace character, jump to line start. Multiple cursors are supported.
By default, Smart Beginning of Line doesn't bind to any key bindings. It's
user's right to decide which command goes to which key binding. This is a very
handy editor command, you may not want to invoke it through command palette.
If you are an previously emacs user, you may want to add these to your