follow up rust-tools

[junnplus]

Signed-off-by: Ye Sijun [email protected]

Fixes: https://github.com/junnplus/lsp-setup.nvim/issues/28

[junnplus]

@horaoen Hi, I make this PR to follow up refactor of rust-tools.

If you are interested in it, can you help me to test it? You can specify the branch where lsp-setup.nvim is installed if you use packer.

use({
    'junnplus/lsp-setup.nvim',
    branch = 'rust-tools',
})

[horaoen]

@junnplus Hi，bro，I have tested it and it works well.