Add README.md on module folder
Initialize melvable
Improve adding symbolic link part.
Merge branch 'feature/install' into develop

* feature/install:
  Improve adding symbolic link part.
Remove image extensino, 'sh'
Improve README.md
Merge branch 'feature/prettifier' into develop

* feature/prettifier:
  Remove image extensino, 'sh' Improve README.md