Station news Discord webhook (#36807)

Station news Discord webhook (#36807)

* Add news article Discord webhook

* Send all station articles on round end

* Changed event subscrice to RoundEndMessageEvent

* Review remarks fix

* Added new cvar discord.news_webhook_embed_color

Default color taken from news manager console sprite.

* Using EntityQueryEnumerator instead of GetStationInMap with TryComp

* Extra review remarks fixing

* Sorted imports

* Added article publication time in embed

* Removed markup from article content

* Added sorting for articles iteration

* Discord hook embed color cvar is string now

* Added comment about limits

* Added new cvar for posting articles during round

* Shitty discord rate limit handling

* Fixing copypaste accident

Co-authored-by: pathetic meowmeow <uhhadd@gmail.com>
* Null initialization of webhook id

* SendArticleToDiscordWebhook is non-void now

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Co-authored-by: Morb0 <14136326+Morb0@users.noreply.github.com>
Co-authored-by: pathetic meowmeow <uhhadd@gmail.com>