feat: update readme for auto-mapping

docs: demo gif for auto-mapping

feat: shell script for automatic mapping

feat: enable automatic mapping

feat: update file structure about add_markers

feat: update add_marker shell scripts

feat: create a add marker only node

feat: finish first version of readme

feat: finish introduction

feat: finish installation; start introduction

feat: update the full file structure

docs: upload demo gifs

feat: package for localization; map included

feat: package for mapping environment

feat: packages for navigation and visualization