[Akeru Web App] Implement Basic Thread Interface Layout

[multipletwigs]

Description
Create a basic layout for the thread interface. This should include:

• A header section with the thread title.
• A main chat window for displaying messages which is located on the third column of the layout.
• An input area for typing and sending messages.
• Keep in mind that we will also allow file uploads.

Tasks

1. Design and implement the header section.
2. Design and implement the chat message display area.
3. Design and implement the input area with a text box and send button.