Rpcs3: UI: Maybe include change log / release notes functionality to the auto-updater window

[rdeleonp]

Visual examples below.

RPCS3 (none):

CEMU (OK-ish):

Dolphin (better):

[dio-gh]

We don't have changelogs for every release. We could do what Dolphin does though.

[rdeleonp]

@dio-gh:
_We don't have changelogs for every release. We could do what Dolphin does though._

Thanks for considering it.

Bellow is a quick mock-up of how the "Release Notes" area could look like; maybe it could work as a base:

[AniLeo]

I'll look into adding the pull request names into our database and expose them through the API