Updated steam app id help links

[lucaswalter]

Small documentation change which:

• Improves formatting of external links
• Adds additional source for steam app ids

[lucaswalter]

Hey @acidicoala — Didn't see any template here for what is expected on PRs so made a minimal summary and have all changes in a single commit.

Does this look alright?

[Graves50]

FYI, I'm not sure if it's a false positive or not. But, this ZIP rings like a bell on VirusTotal.
https://www.virustotal.com/gui/file/e233b852b666d40352f22768cf231afd58ef6175f612f23e82c3026456101f24?nocache=1

[maxtinion]

FYI, I'm not sure if it's a false positive or not. But, this ZIP rings like a bell on VirusTotal. https://www.virustotal.com/gui/file/e233b852b666d40352f22768cf231afd58ef6175f612f23e82c3026456101f24?nocache=1

what do you expect from something that patches another program? This is extremely common and as long as you downloaded it from an official acidicoala source you're fine. also why are you commenting this under a random PR?