Initial commit: Rampart v0.2.0

Multi-layer DDoS protection for Minecraft servers.

- rampart-core: Edge node with XDP/eBPF + Rust L7 filtering
- rampart-manager: REST API with JWT auth, Redis sync
- rampart-cli: CLI tool for operators
- velocity-plugin: Domain check, HMAC verify, server registry, load balancer
- paper-plugin: Auto-registration, heartbeat, HMAC verify
- dashboard: React + Vite web UI for management

plugins/velocity/build.gradle.kts

@@ -0,0 +1,37 @@
+plugins {
+    id("java")
+    id("com.gradleup.shadow") version "9.0.0-beta2"
+}
+
+repositories {
+    mavenCentral()
+    maven("https://papermc.io/repo/repository/maven-public/")
+}
+
+dependencies {
+    compileOnly("com.velocitypowered:velocity-api:3.4.0-SNAPSHOT")
+    annotationProcessor("com.velocitypowered:velocity-api:3.4.0-SNAPSHOT")
+
+    implementation("redis.clients:jedis:5.2.0")
+
+    testImplementation("org.junit.jupiter:junit-jupiter:5.11.4")
+    testImplementation("org.slf4j:slf4j-api:2.0.16")
+    testRuntimeOnly("org.slf4j:slf4j-simple:2.0.16")
+    testRuntimeOnly("org.junit.platform:junit-platform-launcher")
+}
+
+tasks.withType<Test> {
+    useJUnitPlatform()
+}
+
+tasks {
+    shadowJar {
+        archiveBaseName.set("rampart-velocity")
+        archiveClassifier.set("")
+        archiveVersion.set(project.property("version").toString())
+    }
+
+    build {
+        dependsOn(shadowJar)
+    }
+}