Configure config/database.yml
Merge pull request #1 from ryota-ka/feature/1

データベースの設定
Merge branch 'develop' of github.com:ryota-ka/papagamba into develop
Generate PIN model
Implement generate_pin method in PIN model
Implement feature of generating new PIN
Implement feature of matching PIN
Generate Couple model
Implement couple-generating feature
Add unique index to pins table
Validate uniqueness of pin for specific device ID
Counfigure routing to papas#match_pin
Modify method of saving couple in papas#match_pin
Merge pull request #2 from ryota-ka/feature/2

ペアリング用PINの生成
Merge branch 'develop' of github.com:ryota-ka/papagamba into develop
Implement get_couple_by_husband and get_couple_by_wife method in PapasController
Configure routings to papas#get_couple_by_husband and papas#get_couple_by_wife
Merge pull request #3 from ryota-ka/feature/3

生成された couple の取得
Merge pull request #4 from ryota-ka/develop

Merge branch 'develop'