v1.6.0

What's Changed

• [박종훈] 6주차 답안 제출 by @dev-jonghoonpark in #115
• [bky373] Solve week 5 problems by @bky373 in #120
• 7주차 문제 폴더 추가 by @DaleSeo in #124
• [Helena] Week 6 solutions by @yolophg in #111
• [SAM] Week 6 solutions by @SamTheKorean in #112
• [Sehwan] Week6 solutions with javascript by @nhistory in #114
• Evan: Week 6 by @sounmind in #116
• [Hyun] Week 6 Solution Explanation by @WhiteHyun in #123
• [bhyun-kim, 김병현] Week 6 solutions by @bhyun-kim in #118
• [Invidam] Week 06 Solutions by @Invidam in #122
• [Leo] 6th Week solutions + CONTRIBUTING.md update by @leokim0922 in #119
• [bky373] Week 6 Solutions by @bky373 in #121

Full Changelog: v1.5.0...v1.6.0