Fortnite-api

- Added type hint for `FortniteAPI` class arguments
- Added type check for `api_key`
- Implemented type check for search parameters
- Implemented `MissingIDParameter` and `MissingSearchParameter` errors
- Errors are now an instance of `FortniteAPIException`
- Added `ServiceUnavailable` check
- Fixed error in async lib
- Added keywords for lib
- Added tests
- Cleaned up some code

- Added type hints to function results
- Added `NotFound` error for all endpoints if something wasn't found
- Added all existing errors to async endpoints
- Fixed bug that some requests didn't work because the URL was wrongly formatted

- Added Errors for `Unauthorized` and `RateLimted`
- API Key is now required! Get one on https://fortnite-api.com/profile

Added Creator Code endpoints
Raise errors instead retuning None

Reverted further changes in setup.py changes made in v1.0.0