add inspection media upload / download

[david-wolgemuth]

from huvr_client import get_huvr_client
from huvr_client.media import download_inspection_media, upload_inspection_media

client = get_huvr_client(...)
upload_inspection_media(client, filepath="image.png", project_id=24)

...

download_inspection_media(client, media_id=1234, directory=".")