Added Heroes Rise: The Prodigy & Heroes Rise: The Hero Project

Both don't have Fullscreen or Steam overlay, but not sure whether this
is a bug or if it is intended.

Also added this as a comment, linking to a relevant Steam discussion,
where I hope to get some answers.
Merge pull request #171 from ToostInc/heroes-rise

Added Heroes Rise: The Prodigy & Heroes Rise: The Hero Project