Update README.md
Merge pull request #1 from BN-Course/master

Update README.md
Update app.rb
Merge pull request #5 from magdallena/master

Update app.rb 1234
Add Marcin G. file to project
Add file pz to project
add file gosia_k.txt
Add space after name
Merge pull request #12 from mkmiec83/testowe

add file gosia_k.txt
Merge pull request #10 from Piotrbrite/moja-zmiana

Moja zmiana
Merge pull request #9 from BN-Course/moja-zmiana

Moja zmiana