moved various modules and classes to tools realm, replaced gradle buildscripts by gradle kotlin buildscripts

Signed-off-by: Stephan Richter <s.richter@srsoftware.de>

build.gradle.kts

@@ -0,0 +1,50 @@
+plugins {
+    id("com.diffplug.spotless") version "latest.release"
+}
+
+repositories {
+    mavenCentral()
+}
+
+
+spotless {
+    java {
+        target("**/src/**/java/**/*.java")
+        removeUnusedImports()
+        importOrder()
+        clangFormat("18.1.8").style("file:config/clang-format")
+        licenseHeader("/* © SRSoftware 2024 */")
+    }
+}
+
+
+subprojects {
+    group = "de.srsoftware"
+    version = "1.0-SNAPSHOT"
+
+    apply(plugin = "java")
+    apply(plugin = "maven-publish")
+    apply(plugin = "com.diffplug.spotless")
+
+    repositories {
+        mavenLocal()
+        mavenCentral()
+    }
+
+
+
+    val implementation by configurations
+    val compileOnly by configurations
+    val testImplementation by configurations
+    val testRuntimeOnly by configurations
+
+
+    dependencies {
+        testImplementation(platform("org.junit:junit-bom:5.10.0"))
+        testImplementation("org.junit.jupiter:junit-jupiter")
+    }
+
+    tasks.withType<Test>() {
+        useJUnitPlatform()
+    }
+}