Feat/basic authentication

Feat/user endpoints

Feat/chat models and serializers

Feat/chat view and serializer

…odel

Feat/websocket connection and messages

…oup name

Feat/chatroom list

* fix: add profile image field for user model

* fix: retrieve access key from uri path instead of request header

* feat: save chat messages in redis on send

* feat: add latest_msg field for Chatroom model

* feat: fetch past messages and save the latest message for listing chatrooms

* feat: delete all chat message entries from db and redis

* feat: add redis configuration file and docker-compose.yml for redis container

* refac: remove unnecessary print statement

Merge dev branch to feat/save-message-db local branch

* feat: delete all chat message entries from db and redis

* feat: save chat message to db

* fix: set correct directory for redis rdb dump file