Add Ticketing system and Fee calculation strategy for Parking Lot System Design Solution in CPP

[4doctorstrange]

Add Ticketing system and Fee calculation strategy for Parking Lot System Design Solution in CPP.

New classes:
: ParkingTicket - will be generated once am empty parking spot is assigned
: FeeStrategy - Strategy fee class which lets subclasses to define their own fee calculation strategy
: FeeFlatRate - Inherits "FeeStrategy". Flat rate is used for fee is calculation.
: FeeVehicleBased- Inherits "FeeStrategy". Fee calculation rate is as per spot type for parked vehicle.

Modification in existing files:
U - ParkingLot.cpp/hpp: Necessary changes to include to generate ticket and display fee amount.
U - ParkingLotDemo.cpp : Passing Fee Strategy while creating Parking Lot object.

CLI OUPUT:

harshrajput@harshrajput-mbp parkinglot % ./exe
ls
Initial parking lot status:

Parking Lot Status:
Total Capacity: 7
Available Spots: 7
Occupied Spots: 0

Parking vehicles...

| Ticket Number : 1
| SpotID : 3
| Vehicle Number : CAR001

Parked successfully: Vehicle: Red Car (License: CAR001)

| Ticket Number : 2
| SpotID : 1
| Vehicle Number : MOTO001

Parked successfully: Vehicle: Black Motorcycle (License: MOTO001)

| Ticket Number : 3
| SpotID : 6
| Vehicle Number : TRUCK001

Parked successfully: Vehicle: White Truck (License: TRUCK001)

Parking Lot Status:
Total Capacity: 7
Available Spots: 4
Occupied Spots: 3

Detailed Occupancy:
Spot 1 (Compact): Occupied by Vehicle: Black Motorcycle (License: MOTO001)
Spot 2 (Compact): Available
Spot 3 (Regular): Occupied by Vehicle: Red Car (License: CAR001)
Spot 4 (Regular): Available
Spot 5 (Regular): Available
Spot 6 (Large): Occupied by Vehicle: White Truck (License: TRUCK001)
Spot 7 (Large): Available

Removing vehicle CAR001...
Amount Payable(Rs): 12
Removed successfully: Vehicle: Red Car (License: CAR001)

| Ticket Number : 4
| SpotID : 3
| Vehicle Number : CAR002

Parked successfully: Vehicle: Blue Car (License: CAR002)

Final parking lot status:

Parking Lot Status:
Total Capacity: 7
Available Spots: 4
Occupied Spots: 3

Detailed Occupancy:
Spot 1 (Compact): Occupied by Vehicle: Black Motorcycle (License: MOTO001)
Spot 2 (Compact): Available
Spot 3 (Regular): Occupied by Vehicle: Blue Car (License: CAR002)
Spot 4 (Regular): Available
Spot 5 (Regular): Available
Spot 6 (Large): Occupied by Vehicle: White Truck (License: TRUCK001)
Spot 7 (Large): Available
harshrajput@harshrajput-mbp parkinglot % ls