Print PS4/PS5 app.pkg info

[Deterous]

For PS4 and PS5 discs, puts app.pkg Content ID and pkg Date into the Contents field, with SiteCode.Games

PS4 Example:

<b>Games</b>:
app.pkg ID: EP4365-CUSA17823_00-SPACE00STARTOPIA
app.pkg Date: 2019-08-01

PS5 Example:

<b>Games</b>:
app_sc.pkg ID: UP2125-PPSA03355_00-3466019145463410
app_sc.pkg Date: 2020-07-22

Tested.
Solves #771