feat(extras): added fzf-lua (#3555)

New extra with an initial implementation of fzf-lua.

## Todo

- [x] check all places that currently depend on telescope and provide an
alternative or disable
- [x] disable telescope spec completely. (currently only removed its
keymaps)
- [x] trouble integration
- [x] https://github.com/ibhagwan/fzf-lua/issues/1241

---------

Co-authored-by: Iordanis Petkakis <12776461+dpetka2001@users.noreply.github.com>

lua/lazyvim/util/init.lua

@@ -17,6 +17,7 @@ local LazyUtil = require("lazy.core.util")
 ---@field json lazyvim.util.json
 ---@field lualine lazyvim.util.lualine
 ---@field mini lazyvim.util.mini
+---@field pick lazyvim.util.pick
 ---@field cmp lazyvim.util.cmp
 local M = {}
 
@@ -281,4 +282,5 @@ function M.memoize(fn)
     return cache[key]
   end
 end
+
 return M