K4-Arenas v1.5.0

• feat: Added CenterMenu support using KitsuneMenu
• feat: Added API to get current arena id for a player
• feat: Added API to get arena name for a player (including WARMUP, CHALLANGE, WAITING, ARENA1, etc (for Zenith support))
• feat: Added PerformAFKAction to API to allow AntiAFK plugins to support Arenas (see examples)
• feat: Added option to disable clantag changes (better Zenith compatibility)
• upgrade: CSS api compile version
• fix: Fix round terminate issues (thanks for @Letaryat)
• fix: Breaking scoreboard with using 'mp_halftime 0' in the predefined configs

Full Changelog: v1.4.6...v1.5.0