using Packer:
use {'https://github.com/vedantnn71/matte.nvim', config = function()
vim.cmd 'colorscheme matte'
end}
using Lazy:
{
'https://github.com/vedantnn71/matte.nvim',
lazy = false,
priority = 1000,
config = function()
vim.cmd('colorscheme matte')
end
}