feat: add some new items and make mappings easier

media/demo_script_2.lua

@@ -0,0 +1,30 @@
+local finders = require('telescope.finders')
+local previewers = require('telescope.previewers')
+local pickers = require('telescope.pickers')
+
+-- Create a new finder.
+--  This finder, rather than taking a Lua list,
+--  generates a shell command that should be run.
+--
+--  Each line of the shell command is converted to an entry,
+--  and is possible to preview with builtin previews.
+--
+-- In this example, we use ripgrep to search over your entire directory
+-- live as you type.
+local live_grepper = finders.new_job(function(prompt)
+  if not prompt or prompt == "" then
+    return nil
+  end
+
+  return { 'rg', "--vimgrep", prompt}
+end)
+
+-- Create and run the Picker.
+--
+-- NOTE: No sorter is needed to be passed.
+--       Results will be returned in the order they are received.
+pickers.new({
+  prompt    = 'Live Grep',
+  finder    = live_grepper,
+  previewer = previewers.vimgrep,
+}):find()