vim: assorted changes for vim-clap
vim: assorted changes for vim-clap

* Enable async to clap commands through bang symbol
* Add custom provider quick_open for dotfiles
* Fix grep issue due to latest PR change
* Change few yanks provider options

Signed-off-by: Ratheesh S <f847af0ee3590f4912d169b886f309989d9e4c2e@gmail.com>

ratheesh/dot-files,ratheesh/dot-files