minimal extui fuzzy finder for neovim

meta: add `rtp` prepend to `.nvim.lua`

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.nvim.lua
··· 1 + vim.cmd([[ set rtp^=. ]]) 2 + 1 3 vim.cmd([[ nnoremap <leader>ff <Plug>(artio-files) ]]) 2 4 vim.cmd([[ noremap <leader>r <cmd>restart<cr> ]]) 3 5