feat(comment): add comment on on interface method

lua/gopher/_utils/init.lua

@@ -3,7 +3,7 @@ local log = require "gopher._utils.log"
 local utils = {}
 
 ---@param msg string
----@param lvl? number by default `vim.log.levels.INFO`
+---@param lvl? integer by default `vim.log.levels.INFO`
 function utils.notify(msg, lvl)
   lvl = lvl or vim.log.levels.INFO
   vim.notify(msg, lvl, {
@@ -38,4 +38,13 @@ function utils.trimend(s)
   return r
 end
 
+-- Since indentation can be spaces or tab, that's my hack around it
+---@param line string
+---@param indent integer
+---@return string
+function utils.indent(line, indent)
+  local char = string.sub(line, 1, 1)
+  return string.rep(char, indent)
+end
+
 return utils