Message functionality for demo

[taylorfinelli]

What type of PR is this? (Check all that apply)

• [ ] ✨feature: Introduces completely new code or new features.
• [ ] 🐛fix: Implements changes that fix a bug. Ideally, reference an issue if present.
• [ ] ♻️refactor: Includes any code-related change that is neither a fix nor a feature.
• [ ] ✅build: Encompasses all changes related to the build of the software, including changes to dependencies or the addition of new ones.
• [ ] ⚡️test: Pertains to all changes regarding tests, whether adding new tests or modifying existing ones.
• [ ] 🚰ci: Involves all changes related to the configuration of continuous integration, such as GitHub Actions or other CI systems.
• [ ] 📚docs: Includes all changes to documentation, such as README files, or any other documentation present in the repository.
• [ ] 🗑️chore: Captures all changes to the repository that do not fit into the above categories.

Description

What did you change? How did you change it?

Tests

How was this tested?

• [ ] Unit tests
• [ ] Integration tests
• [ ] E2E tests
• [ ] Manual tests
• [ ] Tests were NOT needed
• [ ] Other (explain below)

[Optional] Screenshots

Documentation

• [ ] Added to README.me
• [ ] Seperate document
• [ ] NO documentation needed

Link to external documentation:

[Optional] AI Usage

[Optional] Are there any post-deployment tasks we need to perform?

[thienguen]

LGTM, I tested it