chore(nvim): tweak settings, update plugins

config/nvim/lua/config/options.lua

@@ -6,6 +6,8 @@ local opt = vim.opt
 
 opt.number = true
 opt.relativenumber = true
+opt.modeline = true
+opt.spelllang = { "en", "fi" }
 
 -- The line beneath this is called `modeline`. See `:help modeline`
 -- vim: ts=2 sts=2 sw=2 et