Draw overall Application Project overview

[Kunleodusan]

• [x] Prepare an overall architectural design of the project.

To be included:

1. Back-end overall design.
2. Front-end component design.
3. ML Model design.

• [ ] Create a domain design describing the project we're building and how the different parts would come together.

This would be used for the sprint planning.

• [ ] Maintain this design with the code changes in the progress of the project.

[Kunleodusan]

In progress here: https://app.diagrams.net/#G1e2nU1vrJa2UXWTu-8OfnlvQPpfbc5btt