hrsh7th

Refactor server.vim

1

We should use `vim-vital-vs`

More check with vim

1

I found some bugs by using vim. ##### Screen flicker when showing the pum - Unnecessary applying empty diagnostics ##### Screen flicker when cursor moves across windows - Unnecessary applying...

- [x] Should use `getline/setline/append/normal!` insteadof `getbufline/setbufline/appendbufline/deletebufline`. - Because we already call `lamp#view#buffer#touch` in any case. - [ ] If floatwin is not available, disabled it.

only this recipe should consider treesitter nodes.