fix link and pattern name
Merge pull request #39 from bartko-s/fix-link

fix link and pattern name
fixed naming of State pattern
Update README.md

Adding a missing 'r'.
Merge pull request #40 from HackSkill/patch-1

Update README.md
Update Decorator.php
Merge pull request #42 from Danielss89/patch-1

Fixed typo
Merge pull request #2 from domnikl/master

merge