add readme for munich study group
fix formatting
fix formatting
Update README_muc.md
add notes
Merge branch 'master' of github.com:fpinscala-muc/fpinscala
tests for chapters 4-6
Merge branch 'master' of github.com:fpinscala-muc/fpinscala
tests for chapter 6
Update README_muc.md
add solutions for chapter 2