feat(illuminate): use LazyVim settigns

lua/plugins/specs/ui.lua

@@ -199,10 +199,39 @@ return {
   },
   {
     "RRethy/vim-illuminate",
-    config = function()
-      require("illuminate").configure()
+    opts = {
+      delay = 200,
+      large_file_cutoff = 2000,
+      large_file_overrides = {
+        providers = { "lsp" },
+      },
+    },
+    config = function(opts)
+      require("illuminate").configure(opts)
+
+      local function map(key, dir, buffer)
+        vim.keymap.set("n", key, function()
+          require("illuminate")["goto_" .. dir .. "_reference"](false)
+        end, { desc = dir:sub(1, 1):upper() .. dir:sub(2) .. " Reference", buffer = buffer })
+      end
+
+      map("]]", "next")
+      map("[[", "prev")
+
+      -- also set it after loading ftplugins, since a lot overwrite [[ and ]]
+      vim.api.nvim_create_autocmd("FileType", {
+        callback = function()
+          local buffer = vim.api.nvim_get_current_buf()
+          map("]]", "next", buffer)
+          map("[[", "prev", buffer)
+        end,
+      })
     end,
     event = "VeryLazy",
+    keys = {
+      { "]]", desc = "Next Reference" },
+      { "[[", desc = "Prev Reference" },
+    },
   },
   {
     "goolord/alpha-nvim",