feat(extras): add buffer-jump extra for LunarVim-style buffer picker

lua/lazyvim/plugins/extras/editor/buffer-jump.lua

@@ -0,0 +1,17 @@
+return {
+  "Masalale/buffer-jump.nvim",
+  opts = {
+    width = 55,
+    max_height = 12,
+    border = "rounded",
+  },
+  keys = {
+    {
+      "<leader>bj",
+      function()
+        require("buffer-jump").jump_to_buffer()
+      end,
+      desc = "Jump to Buffer",
+    },
+  },
+}