[emacs] Keybindings reorg
[emacs] Keybindings reorg

* put major mode specific bindings on f5
* put which-key-show-major-mode on f5 f5
* add ivy bindings on f5
* move ui functions to f10
* add avy-goto-char-timer off of SPC SPC
* tweak which-key settings to show more info
* add which-key hints to dired prefix bindings
* give general keybindings more space
* bind evil window functions instead of windmove

ambihelical/dotfiles,ambihelical/dotfiles