Update README.md

Update README.md

update read.me

adding renderered to display data in json format

Update README.md

the project is working smothly

creating SingleMenuItemView class

fixing some bugs(syntax errors)

configuring the urls.py for LittleLemonAPI application

creating and configuring urls.py patterns

adding MenuItemView

importing modules and class to use

creating MenuItemSerializer

migrations

Creating MenuItem Model