syjsmk commit test
add gitignore
angular tutorial
Fix typo.

Unreviewed.

This patch solves problem that angular doesn't work.
commit example
Merge branch 'master' of https://github.com/JinGyeong-Jeong/Challengers3 into syjsmk
delete temp file
commit first sample
commit sample2
commit sample3
commit sample4
Merge branch 'master' of github.com:JinGyeong-Jeong/Challengers3 into smksyj
Merge branch 'smksyj' of github.com:JinGyeong-Jeong/Challengers3 into smksyj
added controller for problem list
add node_modules folder to .gitignore
added test code for controller
controller test code success
added href to problem title
Merge branch 'smksyj' of github.com:JinGyeong-Jeong/Challengers3 into syjsmk
make mainpage