feat: transition to VexlioHub, clean up modules, add effects & localize configs

- Rename and relocate package from DeluxeHubReloaded to VexlioHub
- Remove deprecated modules: antiwdl, scoreboard, tablist, pvp_mode, teleportation_bow, anti_swear, lockchat, vanish, holograms
- Refactor all commands to standard Bukkit CommandExecutor/TabCompleter registered dynamically via Bukkit CommandMap
- Add particle, sound, and trail configurations for launchpad and double jump modules
- Implement actionbar announcements and join title welcome animation modules
- Fully customize, translate to Czech, and restyle all configuration files in the 'uprava/' directory with the purple-cyan gradient theme

.gitignore

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+### Mac ###
+.DS_Store
+
+### Gradle ###
+
+build/
+.gradle
+gradle
+
+### Intellij ###
+.idea/
+*.iws
+out/
+*.iml
+.idea_modules/
+atlassian-ide-plugin.xml
+
+### Eclipse ###
+
+.classpath
+.project
+codetemplates.xml
+bin/
+.metadata
+tmp/
+*.tmp
+*.bak
+*.swp
+*~.nib
+local.properties
+.settings/
+.loadpath
+.recommenders
+
+## EXTERNAL TOOLS ##
+
+.externalToolBuilders/
+
+# Locally stored "Eclipse launch configurations"
+*.launch
+
+# PyDev specific (Python IDE for Eclipse)
+*.pydevproject
+
+# CDT-specific (C/C++ Development Tooling)
+.cproject
+
+# CDT- autotools
+.autotools
+
+# Java annotation processor (APT)
+.factorypath
+
+# PDT-specific (PHP Development Tools)
+.buildpath
+
+# sbteclipse plugin
+.target
+target
+
+# Tern plugin
+.tern-project
+
+# TeXlipse plugin
+.texlipse
+
+# STS (Spring Tool Suite)
+.springBeans
+
+# Code Recommenders
+.recommenders/
+
+# Annotation Processing
+.apt_generated/
+
+# Scala IDE specific (Scala & Java development for Eclipse)
+.cache-main
+.scala_dependencies
+.worksheet
+
+# Annotation Processing
+.apt_generated
+
+.sts4-cache/
+
+# Package Files #
+*.jar
+*.war
+*.ear
+/lib
+**/*~