add First prototype of Discord4J wrapper

wrapper/discord4j/build.gradle.kts

@@ -0,0 +1,41 @@
+/*
+ * This file was generated by the Gradle 'init' task.
+ *
+ * This generated file contains a sample Java library project to get you started.
+ * For more details on building Java & JVM projects, please refer to https://docs.gradle.org/8.8/userguide/building_java_projects.html in the Gradle documentation.
+ */
+
+plugins {
+    // Apply the java-library plugin for API and implementation separation.
+    `java-library`
+}
+
+repositories {
+    // Use Maven Central for resolving dependencies.
+    mavenCentral()
+}
+
+dependencies {
+    // Use JUnit Jupiter for testing.
+    testImplementation(libs.junit.jupiter)
+
+    testRuntimeOnly("org.junit.platform:junit-platform-launcher")
+    implementation(libs.log4j)
+    implementation(libs.discord4j) {
+        exclude(module="discord4j-voice")
+    }
+    implementation(libs.geantyref)
+    implementation(project(":lib"))
+}
+
+// Apply a specific Java toolchain to ease working on different environments.
+java {
+    toolchain {
+        languageVersion = JavaLanguageVersion.of(23)
+    }
+}
+
+tasks.named<Test>("test") {
+    // Use JUnit Platform for unit tests.
+    useJUnitPlatform()
+}