Add cmdlets for Steam Web API

[hjorslev]

Describe "Functionality"

Add a cmdlet that can interact with each API as listed on Steam Web API.

Context "Private or Public? What are the use cases? Parameters? Options?"

• Get-SteamFriendList
• Get-SteamNews
• Get-SteamPlayerBan
• Get-SteamPlayerSummary
• https://steamapi.xpaw.me/#ISteamUser/ResolveVanityURL

Furthermore, there is a need of

• Connect-SteamAPI
• Get-SteamAPIKey (private cmdlet)
• a cmdlet that can interact with a SteamID. Splitted into Convert-SteamID: Cmdlet that can interact with a SteamID #32.

All cmdlets are to be placed in Public\API folder except Get-SteamAPIKey.

Parameters needed for each cmdlet are listed on Steam Web API as well. See for example GetFriendList (v0001) under Arguments.

Context "Additional Information"

• Pester Tests are needed for each cmdlet. Splitted into Pester Tests for Web API cmdlets #31.
• Update module description as the scope becomes larger than only SteamCMD.
• Refactor current cmdlets into sub folders.