Add GameServer skeleton

game/src/main/java/dev/openrs2/game/GameModule.kt

@@ -0,0 +1,10 @@
+package dev.openrs2.game
+
+import com.google.inject.AbstractModule
+import dev.openrs2.common.CommonModule
+
+class GameModule : AbstractModule() {
+    override fun configure() {
+        install(CommonModule())
+    }
+}

game/src/main/java/dev/openrs2/game/GameServer.kt

@@ -1,4 +1,17 @@
 package dev.openrs2.game
 
+import com.google.inject.Guice
+import javax.inject.Singleton
+
 fun main() {
+    val injector = Guice.createInjector(GameModule())
+    val server = injector.getInstance(GameServer::class.java)
+    server.run()
+}
+
+@Singleton
+class GameServer {
+    fun run() {
+        TODO()
+    }
 }