fix: Changed latexmk to lualatex to be able to compile posters

nvim/.config/nvim/init.lua

@@ -272,6 +272,7 @@ vim.g.vimtex_view_method = 'zathura'
 vim.g.vimtex_quickfix_mode = 0
 vim.g.vimtex_compiler_latexmk = {
   options = {
+    '-latex=lualatex',
     '-shell-escape',
     '-verbose',
     '-file-line-error',