Change buildscript for two versions of Number

buildJvm/build_66_Number2_java/build.gradle

@@ -0,0 +1,19 @@
+plugins {
+    id 'application'
+}
+
+sourceSets {
+    main {
+        java {
+            srcDirs "../../$gameSource"
+        }
+    }
+}
+
+repositories {
+    mavenCentral()
+}
+
+application {
+    mainClass = gameMain
+}

buildJvm/build_66_Number2_java/gradle.properties

@@ -0,0 +1,2 @@
+gameSource=66_Number/java/2
+gameMain=Number