Add portal system to Lobby Systems

src/main/java/id/dartokloning/lobbysystems/ConfigPaths.java

@@ -0,0 +1,14 @@
+package id.dartokloning.lobbysystems;
+
+import net.fabricmc.loader.api.FabricLoader;
+
+import java.nio.file.Path;
+
+public final class ConfigPaths {
+    public static final Path DIRECTORY = FabricLoader.getInstance().getConfigDir().resolve("lobby");
+    public static final Path CONFIG = DIRECTORY.resolve("config.json");
+    public static final Path PLAYER_POSITIONS = DIRECTORY.resolve("player-positions.json");
+    public static final Path PORTALS = DIRECTORY.resolve("portals.json");
+
+    private ConfigPaths() {}
+}