Updated the buttons to input type buttons
Changed the output to an input

Easier to manipulate the value this way
Got rid of the CE button - overkill for the tutorial
removed JQ fromt he output module

Wasn’t required so pointless using it here
Handle the number button clicks

- removed JQ as not required
- fn checks to see what the value of the input is
- then updates its value accordingly
Stage 5 Handle the number buttons

- commented out the console log demos
- using higher order fn to to update the display