Merge branch 'develop' of https://git.ajou.ac.kr/wss9/fiturring into develop

.env.example

.gitignore

back/.DS_Store

back/Dockerfile

back/package-lock.json

back/package.json

back/public/cancel-delete.html

back/public/confirm-delete.html

back/public/unknown-delete.html

back/src/.DS_Store

back/src/controllers/etcController.js

back/src/controllers/habittrackerController.js

back/src/controllers/routineController.js

back/src/controllers/userController.js

back/src/controllers/videoController.js

back/src/index.js

back/src/initDB.js

back/src/middleware/authMiddleware.js

back/src/models/food100.js

back/src/models/habittracker.js