feat 엔티티모델 정의 및 DB연결 테스트완료 (#3)

.env

.gitignore

app.js

config/config.json

config/mongoose.js

config/sequelize.js

models/Friend.js

models/Friends.js

models/chatParticipant.js

models/chatRoom.js

models/index.js

models/meeting.js

models/meetingParticipant.js

models/message.js

models/schedule.js

models/user.js

package.json

schemas/ChatRoomParticipants.js

schemas/ChatRooms.js

schemas/Messages.js