nvim: Use relative paths in dirvish

When yanking a path in dirvish buffer this setting allows us to get
relative paths instead of absolute which is default.

nvim/.config/nvim/init.lua

@@ -93,6 +93,8 @@ vim.g.vsnip_filetypes = {
   typescript      = {'javascript'},
   typescriptreact = {'javascript', 'javascriptreact', 'typescript'}
 }
+-- dirvish
+vim.g.dirvish_relative_paths      = 1
 
 -- We do this to prevent the loading of the system fzf.vim plugin. This is
 -- present at least on Arch/Manjaro