feat(vim): add matchup plugin

Author: nicknisi

config/nvim/lua/plugins/core.lua

@@ -8,6 +8,12 @@ return {
   "AndrewRadev/splitjoin.vim",
   "tpope/vim-sleuth",
   "editorconfig/editorconfig-vim", -- TODO is this still required?
+  {
+    "andymass/vim-matchup",
+    config = function()
+      vim.g.matchup_matchparen_offscreen = { method = "popup" }
+    end,
+  },
   {
     "tpope/vim-fugitive",
     lazy = false,