Added fetch api example

[shubhamV123]

What is the purpose of this pull request? (put an "X" next to item)

[ ] Documentation update
[ ] Bug fix
[ ] New feature
[ x] Other, please explain:

What changes did you make? (Give an overview)
Added an example how to fetch api and load the data in ui along with loading and error state. It would be helpful if someone want to add api state via teaful.
Note: Created this via create-next-app there may be file we do not required but can be required in future so I haven' remove those

Which issue (if any) does this pull request address?
Nothing.

Is there anything you'd like reviewers to focus on?
Sample screenshot:

[aralroca]

@shubhamV123 thank you very much for your contribution!! 👏

[aralroca]

@all-contributors please add @shubhamV123 for add and example

[allcontributors]

@aralroca

I could not determine your intention.

Basic usage: @all-contributors please add @Someone for code, doc and infra

For other usages see the documentation

[aralroca]

@all-contributors please add @shubhamV123 for documentation

[allcontributors]

@aralroca

I've put up a pull request to add @shubhamV123! 🎉