How to code the counter ?

Remember this concept,
Start s-m-a-l-l to create something BIG

To create a counter component, We have to :

• Create a state that hold the count
• Lets start count from 0
• Make a method to increase the count
• Make a method to decrease the count
• On click the increase + button, increase and update the count
• On click the decrease - button, decrease and update the count