Merge pull request #50 from HQService/fix/command-argument

fix: Double이 아닐 때 ArgumentFeedback을 throw하지 않는 문제 해결

modules/bukkit-command/src/main/kotlin/kr/hqservice/framework/command/argument/provider/DoubleCommandArgumentProvider.kt

@@ -10,7 +10,7 @@ import org.bukkit.Location
 class DoubleCommandArgumentProvider : CommandArgumentProvider<Double> {
     override suspend fun cast(context: CommandContext, argument: String?): Double {
         argument ?: throw ArgumentFeedback.RequireArgument
-        return argument.toDouble()
+        return argument.toDoubleOrNull() ?: throw ArgumentFeedback.NotNumber
     }
 
     override suspend fun getTabComplete(context: CommandContext, location: Location?): List<String> {