custom config files for nvchad

## First run
In order to install nvchad pluggins and custom ones you must follow:
- sh install.sh
- <ESC>:q
- exec nvim
- <ESC>:PackerSync
- <ESC>:MasonInstallAll
- now it must work fine

## Add language to LSP
- Add lang server in "custom/plugins/lspconfig.lua" file.
- Add lang server to Mason custom override in "custom/override.lua" to install with ":MasonInstallAll"