Adding query player language (#824)

src/main/java/carpet/mixins/ClientSettingsC2SPacket_scarpetMixin.java

@@ -0,0 +1,18 @@
+package carpet.mixins;
+
+import carpet.fakes.ClientSettingsC2SPacketInterface;
+import net.minecraft.network.packet.c2s.play.ClientSettingsC2SPacket;
+import org.spongepowered.asm.mixin.Mixin;
+import org.spongepowered.asm.mixin.Shadow;
+
+@Mixin(ClientSettingsC2SPacket.class)
+public class ClientSettingsC2SPacket_scarpetMixin implements ClientSettingsC2SPacketInterface {
+    @Shadow
+    private String language;
+
+    @Override
+    public String getLanguage(){
+        return this.language;
+    }
+}
+