Feat/upload file max size disk

[khadrawy]

Summary

Add check for uploaded file size on disk against configurable limit.

Checklist

• [x] I understand that this PR may be closed in case there was no previous discussion. (This doesn't apply to typos!)
• [x] I've added a test for each change that was introduced, and I tried as much as possible to make a single atomic change.
• [x] I've updated the documentation accordingly.

[khadrawy]

@Kludex after https://github.com/encode/starlette/pull/2718 I propose this change to apply limits to uploaded file size on disk.