feat(ui): add telescope ui select for improve UI

lua/config/plugins/telescope.lua

@@ -1,6 +1,29 @@
+require("telescope").load_extension("ui-select")
+
 require("telescope").setup({
 	defaults = {
 		borderchars = { " ", " ", " ", " ", " ", " ", " ", " " }
+	},
+	extensions = {
+		["ui-select"] = {
+			require("telescope.themes").get_dropdown {
+				-- even more opts
+			}
+
+			-- pseudo code / specification for writing custom displays, like the one
+			-- for "codeactions"
+			-- specific_opts = {
+			--   [kind] = {
+			--     make_indexed = function(items) -> indexed_items, width,
+			--     make_displayer = function(widths) -> displayer
+			--     make_display = function(displayer) -> function(e)
+			--     make_ordinal = function(e) -> string
+			--   },
+			--   -- for example to disable the custom builtin "codeactions" display
+			--      do the following
+			--   codeactions = false,
+			-- }
+		}
 	}
 })