Isolate Activity service

[ZygeSam]

Activities should have its own service isolated. Create a new folder for activities in the repo Things to do:

• [x] Create a new branch
• [x] Create a new folder for activities
• [x] Implement MVCSR (Model, View, Controller, Service, Repository)
• [x] Use the correct routes.
• [x] Write unit tests to test for all possible use cases. (especially for your endpoints and services)
• [x] When submitting a pr, list all use cases you tested for.
• [x] Use good error handling methods in your code.
• [x] Make sure all this boxes are ticked when done for your pr to be approved.

Check resources for more help or reach out to me on slack via the channel for direction.

See project folder structure project/ │ └── src/ │ ├── activities/ │ │ │ ├── api/ │ │ │ │ │ ├── v1/ │ │ │ │ │ │ │ ├── controllers/ │ │ │ │ └── (Controller files for API endpoints) │ │ │ │ │ │ │ ├── helpers/ │ │ │ │ └── (Helper functions used across API endpoints) │ │ │ │ │ │ │ ├── interfaces/ │ │ │ │ └── (TypeScript interfaces defining data structures) │ │ │ │ │ │ │ ├── middleware/ │ │ │ │ └── (Middleware functions for request processing) │ │ │ │ │ │ │ ├── models/ │ │ │ │ └── (Database models representing data structures) │ │ │ │ │ │ │ ├── routes/ │ │ │ │ └── (API route definitions) │ │ │ │ │ │ │ ├── services/ │ │ │ │ └── (Business logic services) │ │ │ │ │ │ │ └── validations/ │ │ │ └── (Validation schemas and functions for request payload) │ │ │ │ │--└── (Other API versions if applicable) │ ├── config/ │ └── (Configuration files used across the project) │ ├── utils/ │ └── (Shared functions/utilities files used across the project) │ └── tests/ └── (Unit tests for the project code)

[ZygeSam]

@NoamAvitan1 you need to check all the boxes to show what you have implemented. Kindly read the instructions in the description.

I will close the issue if I confirm what has been checked with your pull request.