Add No EORG popup on round end

[FluffMe]

About the PR

Adds a popup on round end with a reminder about no EORG rules.

• Close button is timed -- enabled after 5 seconds.
• "Don't show again" checkbox works via CVar.

Why / Balance

A lot of bwoinks are pure EORG from players who are new to the server and didn't read the rules.
This reminder, hopefully, will improve the situation and give admins time to do something other than EORG bwoinks.

Technical details

• RoundEndNoEorgUIController subscribes to the Network Event RoundEndMessageEvent.
• CLIENTONLY harmony.skip_roundend_noeorg CCVar controls if the popup will be shown or not.
  Saved to client config.
• For testing purposes, you can set ccvar harmony.skip_roundend_noeorg false in console to see the popup again on round end, after it was dismissed with "Don't show again" checkmark.

File changes

Locale files

• Resources/Locale/en-US/_Harmony/round-end/round-end-no-eorg-window.ftl -- All the strings.
  To avoid hardcode and allow easy modification without going into C#.

Content.Client._Harmony.RoundEnd Namespace

• Content.Client/_Harmony/RoundEnd/RoundEndNoEorgUIController.cs -- Controller logic.
• Content.Client/_Harmony/RoundEnd/RoundEndNoEorgWindow.cs -- Defines the window.

Content.Shared._Harmony.CCVars Namespace

New namespace for Harmony CCVars -- HCCVars.

• Content.Shared/_Harmony/CCVars/HCCVars.cs -- Defines all HCCVars

Media

no_eorg-2024-09-30_15.59.35.mp4

Notes

In hindsight this would be a lot more easier and concise with XAML, but oh well...

Changelog
🆑

• add: Added no EORG reminder popup at the end of the round.

[KeldWolf]

Very approved. Actual code additions to Harmoy. Wild.