Implement logic for sending messages

[mqnguyen5]

Is your feature request related to a problem? Please describe.
In order for the "Message" page to be completed, we need to implement the logic for sending messages from one user to the other

Are there any related issues? Please list all of them.

• BE: CRUD operations for text messages Implement real time chat #177
• BE: Send photo(s)
• FE: Build chat bubble to display the message to the user Build Message Page #54
• FE: Build chat window inside "Message" page Build Message Page #54

Describe the solution you'd like
N/A (Still thinking)

Acceptance criteria

• When the user press "Send", the message is persisted successfully in the DB
• Messages can be retrieved from the DB and rendered in a chat bubble
• Both users inside the conversation can see the messages

Describe alternatives you've considered
N/A

Additional context

• Final SRS: https://seneca.sharepoint.com/:w:/s/PRJ566NAAFall2021-Team04/EUqySSjxSqJLiVd2OyWDEAABJI8vfO567WsHBpPZmSQWCg?e=FJcwSh
• Figma Design: https://www.figma.com/file/D6OdyoGg8cbL1hAScPEsYI/PRJ-Diagrams