Add a reload command for Config

src/main/kotlin/xyz/lncvrt/galaxytab/GalaxyTab.kt

@@ -3,26 +3,42 @@ package xyz.lncvrt.galaxytab
 import net.kyori.adventure.text.Component
 import net.kyori.adventure.text.minimessage.MiniMessage
 import org.bukkit.configuration.file.FileConfiguration
+import org.bukkit.entity.Player
 import org.bukkit.event.EventHandler
 import org.bukkit.event.Listener
 import org.bukkit.event.player.PlayerJoinEvent
 import org.bukkit.plugin.java.JavaPlugin
+import xyz.lncvrt.galaxytab.commands.GalaxyTabCommand
 import java.lang.String
 
 class GalaxyTab : JavaPlugin(), Listener {
     private val miniMessage = MiniMessage.miniMessage()
-    private var configFile: FileConfiguration? = null
+    var configFile: FileConfiguration? = null
 
     override fun onEnable() {
+        instance = this
         saveDefaultConfig()
         configFile = config
         server.pluginManager.registerEvents(this, this)
+        GalaxyTabCommand()
     }
 
     @EventHandler
     fun onPlayerJoinEvent(event: PlayerJoinEvent) {
-        val header: Component = miniMessage.deserialize(String.join("\n", config.getStringList("header")))
-        val footer: Component = miniMessage.deserialize(String.join("\n", config.getStringList("footer")))
-        event.getPlayer().sendPlayerListHeaderAndFooter(header, footer)
+        setTab(event.player)
+    }
+
+    fun setTab(player: Player) {
+        val header: Component = miniMessage.deserialize(String.join("\n", configFile?.getStringList("header")))
+        val footer: Component = miniMessage.deserialize(String.join("\n", configFile?.getStringList("footer")))
+        player.sendPlayerListHeaderAndFooter(header, footer)
+    }
+
+    companion object {
+        private lateinit var instance: GalaxyTab
+
+        fun getInstance(): GalaxyTab {
+            return instance
+        }
     }
 }