List all flight

### Feature: list all flight

#### Pre-requisites:
- [ ] complete create flight feature
- [ ] Flight DAO( listAll Flight )
- [ ] Flight service ( listAll ( ) )
#### Validations:
- [ ] Form Validation
- [ ] Business Validation
* check the flight table.
#### Messages:
* flighttable not exist
#### Flow:
```mermaid
graph TD;

A[Value Passed to Flightservice - flight Object] --> B[Form Validation & Business Validation]

B--> C{Validation Result}

C -- Valid --> D[Value Passed to flightDAO]

D --> E[display the data]

C -- Invalid --> F[Validation Exception]
```