Improve items for GameModeConfig

CommonCore/SQL/build.gradle.kts

@@ -19,6 +19,7 @@
 
 plugins {
     steamwar.kotlin
+    kotlin("plugin.lombok")
 }
 
 kotlin {
@@ -40,4 +41,8 @@ dependencies {
     compileOnlyApi(libs.exposedDao)
     compileOnlyApi(libs.exposedJdbc)
     compileOnlyApi(libs.exposedTime)
+    testImplementation(kotlin("test"))
 }
+repositories {
+    mavenCentral()
+}