feat: 🎸 チャット内でカラーコードを使用できるように

src/main/kotlin/io/github/bluesheep2804/selenechat/config/SeleneChatConfigData.kt

@@ -6,7 +6,7 @@ import kotlinx.serialization.Serializable
 @Serializable
 data class SeleneChatConfigData(
         @YamlComment("Version of the config file. Do not change.")
-        val configVersion: Int = 1,
+        val configVersion: Int = 2,
 
         @YamlComment("Specifying the chat conversion mode.", "Possible values: none, hiragana, ime")
         var convertMode: ConvertMode = ConvertMode.IME,
@@ -16,6 +16,8 @@ data class SeleneChatConfigData(
         var useSeleneChatFormat: Boolean = false,
         @YamlComment("Whether to receive plugin messages from the server to the proxy server.", "Applies to Bungeecord and Velocity only.")
         var shouldReceivePluginMessage: Boolean = false,
+        @YamlComment("Whether to use color codes (e.g. &4, &b) in the chat.")
+        var useColorCode: Boolean = true,
 
         @YamlComment(
                 "Specifies the format of the chat.",

src/main/kotlin/io/github/bluesheep2804/selenechat/message/ChatMessage.kt

@@ -14,6 +14,8 @@ import net.kyori.adventure.text.minimessage.tag.Tag
 import net.kyori.adventure.text.minimessage.tag.resolver.ArgumentQueue
 import net.kyori.adventure.text.minimessage.tag.resolver.Placeholder
 import net.kyori.adventure.text.minimessage.tag.resolver.TagResolver
+import net.kyori.adventure.text.serializer.legacy.LegacyComponentSerializer
+import net.kyori.adventure.text.serializer.plain.PlainTextComponentSerializer
 import java.text.SimpleDateFormat
 import java.util.*
 
@@ -24,10 +26,15 @@ object ChatMessage {
         get() = SimpleDateFormat(config.timeFormat)
     fun message(msg: String): Component {
         val mm = MiniMessage.miniMessage()
-        val japaneseConversion = Japanizer(msg)
+        val serializedMessage = if (config.useColorCode) {
+            LegacyComponentSerializer.legacyAmpersand().deserialize(msg)
+        } else {
+            Component.text(msg)
+        }
+        val japaneseConversion = Japanizer(PlainTextComponentSerializer.plainText().serialize(serializedMessage))
         val messageTagResolver = Placeholder.component(
                 "message",
-                Component.text(msg)
+                serializedMessage
         )
         val jpTagResolver = TagResolver.resolver("jp")
         { args: ArgumentQueue, _: Context ->