DM System

[mraysu]

Changes

• added a DM system page on /messages
• added Socket.IO server on backend for event handling with acknowledgement, logging, and error handling
• added Conversation and Message schemas for storing chats
• users can send and receive messages with real-time updates
• messages and conversations are tied to user's UID
• added a SOCKET_PORT env variable for socket server hosting. i think should still work if its the same as PORT
• added "send message" button on products to contact seller

TODO:

• handle real-time receive-message event
• come up with better way of testing websockets with multiple users
• set up event payload validation using some JSON validator like ajv
• set up flow for creating new conversations with users
• set up notification system that notifies user when receiving new messages
• render return characters, links

Stretch goals: "user is typing," render message dates, batch message fetching instead of all at once, look into message caching options

[mraysu]

sorry i think it is set up to auto request reviews

[chase-of-the-fjords]

@mraysu ooh good point, i just made a PR to remove myself