fix avante, consolidate minor ui

lua/plugins/my_ui_tweaks.lua

@@ -0,0 +1,17 @@
+return {
+  -- Flash/fade cursor locator
+  {
+    "danilamihailov/beacon.nvim",
+    opts = {
+      speed = 1,
+      width = 30,
+      min_jump = 2,
+    },
+  },
+
+  -- Darker bg in tokyonight
+  { "folke/tokyonight.nvim", opts = { style = "night" } },
+
+  -- Install gruvbox as option
+  { "ellisonleao/gruvbox.nvim" },
+}