avy-goto-word-current-line should be implemented by default

[oxcrow]

Hi,

I love the customisation options avy has.

I implemented the function to jump to the words on the current line and have been using it a lot for editing long lines.

source: https://github.com/abo-abo/avy/wiki/custom-commands#jumping-to-a-word-start-on-the-current-line-only

Since this function is so useful I think it should be implemented within avy by default as avy-goto-word-current-line, so everyone can simply use it directly, without requiring any extra configuration.

I just use it as a lambda within evil mode for now.

(define-key evil-normal-state-map (kbd "`") (lambda() (interactive)(avy-goto-word-0 nil (line-beginning-position) (line-end-position))))

I know the maintainers might be busy with other things so this could be a good first pull request for new members who want to contribute to the project.

Thank you very much.