Vehicle Module | List Vehicles Feature

# View All Vehicle process
## User Story
As a admin I have to see all the details of the vehicles

## Task
- [x] Implementation of dao Layer
- [x] implementation of service Layer
- [x] Implementation of validation layer
- [x] Implementation of JUnit Test cases
- [x] Ensure the test cases are passing
- [x] write code with comments

## Dao
- [x] getAllVehicles

## Services
- [x] getVehicles

## JUnit
### Dao
- [x] getAllVehicle Test
### Service
- [x] getVehicle Test

## Estimation Time :
30 mins .

## FlowChart
```mermaid
graph TD;
A[Start]
B[ End ]
C[ Dao - get all vehicles ]
D[Service Get All vehicles ]
A --> C
C --> D
D --> B