🚀 [Hacktoberfest] Elixir - Architectural improvements

### 🔖 Feature description

Be my guest to improve architecture in this project

### 🎤 Why is this feature needed ?

improving software architecture is necessary to ensure that software remains adaptable, maintainable, performant, and secure over time, while also promoting cost-efficiency and a positive user experience.

### ✌️ How do you aim to achieve this?

Flexibility, Performance and Security

### 🔄️ Additional Information

_No response_

### 👀 Have you spent some time to check if this feature request has been raised before?

- [X] I checked and didn't find similar issue

### 🏢 Have you read the Code of Conduct?

- [X] I have read the [Code of Conduct](https://github.com/andrgab/medirepo/blob/main/CODE_OF_CONDUCT.md)

### Are you willing to submit PR?

None