fix typo start_with is starts_with

[takekazuomi]

Thank you for the great sample. This is helpful for Python beginners.

In README.md, it is start_with. but in the function arguments, starts_with.

simple-fastapi-container/README.md

Line 40 in 6751d2d

4. Try the API at '/generate_name' and try passing in a parameter at the end of the URL, like '/generate_name?start_with=N'.

simple-fastapi-container/src/api/main.py

Line 11 in 6751d2d

async def generate_name(starts_with: str = None):

[pamelafox]

thanks for the fix!