Add BauSystem module

Fix ci java version
Fix LinkageProcessor

CommonCore/Linkage/build.gradle.kts

@@ -14,6 +14,21 @@ tasks.compileJava {
     options.encoding = "UTF-8"
 }
 
+tasks.create("buildResources") {
+    doLast {
+        val to = File("$projectDir/build/classes/java/main/META-INF/services/javax.annotation.processing.Processor")
+        to.parentFile.mkdirs()
+        if (!to.exists()) {
+            to.createNewFile()
+            to.writeText("de.steamwar.linkage.LinkageProcessor\n")
+        }
+    }
+}
+
+tasks.classes {
+    finalizedBy("buildResources")
+}
+
 sourceSets {
     main {
         java {