User module | Login Feature

### User Flow
As a user. I want to login with my email and password. This will allow me to login with my email and password. I expect this will redirect to me a home page if the email and password is valid.

DAO:
- [x] findUserByEmail

Service:
- [x] loginUser

Test:
TestLoginFeature
- [x] testLoginSuccess
- [x] testloginFailed

DAO:
- [x] createJob

Service:
- [x] createJob

Service Test:
- [x] createValidJob
- [x] createInvalidJob

### User Flow
```mermaid
graph TD;
A[Service :Login user] --> C[Validation];
C --> D{Enter Email and Password};
D --> E{Credentials Correct?};
E -->|Yes| F[Login Successful];
E -->|No| G[Invalid email and password];
```