v3.2.1

File upload example

I've added a file upload example and how it works on the server side and how you can parse files.
Bug fix for fetcher typing

What's Changed

• 44 missing blob type check to file upload v3 by @AlemTuzlak in #47
• #49 - Type fix by @AlemTuzlak in #50
• 51 type error when passing in fetcher by @AlemTuzlak in #53

Full Changelog: v3.0.3...v3.2.1