Eldad Zack

Fix documentation examples: missing `json` format, default client uses SSL

1

This fixes two issues with the docs: * Default client is using SSL * The index example must specify format, otherwise the subsequent parsing fails.

00060000-fachours3.ex solution does not suggest the `trunc` function

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First of all - Great set of exercises, many thanks for that! I noticed that the solution for `00060000-fachours3.ex` uses char formatting (which I did not think of while solving...