feat: added support for fzf-lua

lua/todo-comments/fzf.lua

@@ -0,0 +1,31 @@
+local Config = require("todo-comments.config")
+local Grep = require("fzf-lua.providers.grep")
+local utils = require("fzf-lua.utils")
+
+local M = {}
+
+---@param opts_keywords? string|string[]
+local function keywords_filter(opts_keywords)
+  local all_keywords = vim.tbl_keys(Config.keywords)
+  if not opts_keywords then
+    return all_keywords
+  end
+  local filters = type(opts_keywords) == "string" and { opts_keywords } or opts_keywords
+  return vim.tbl_filter(function(kw)
+    return vim.tbl_contains(filters, kw)
+  end, all_keywords)
+end
+
+---@param opts? {keywords: string[]}
+function M.todo(opts)
+  if not opts then
+    opts = {}
+  end
+  opts.no_esc = true
+  -- match whole words only (#968)
+  opts.search = [[\b]] .. utils.rg_escape(vim.fn.expand("<cword>")) .. [[\b]]
+  opts.search = Config.search_regex(keywords_filter(opts.keywords))
+  return Grep.grep(opts)
+end
+
+return M