Working prototype for the demo

[snakedye]

• https://github.com/ai-cfia/fertiscan-backend/issues/11
• https://github.com/ai-cfia/fertiscan-backend/issues/12
• Closes https://github.com/ai-cfia/fertiscan-backend/issues/8
• Closes https://github.com/ai-cfia/fertiscan-backend/issues/7
• Closes https://github.com/ai-cfia/fertiscan-backend/issues/9

Once this PR is merged it should serve as the reference for building the front-end.

[SamuelPelletierEvraire]

For the workflow, we are going to fix this after the demo because we don't have time for now