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

crates/rampart-manager/Cargo.toml

@@ -0,0 +1,24 @@
+[package]
+name = "rampart-manager"
+version.workspace = true
+edition.workspace = true
+license.workspace = true
+
+[lints]
+workspace = true
+
+[dependencies]
+tokio.workspace = true
+serde.workspace = true
+serde_json.workspace = true
+tracing.workspace = true
+tracing-subscriber.workspace = true
+thiserror.workspace = true
+anyhow.workspace = true
+dashmap.workspace = true
+prometheus.workspace = true
+axum = "0.8"
+tower-http = { version = "0.6", features = ["cors"] }
+jsonwebtoken = "9"
+redis = { version = "0.27", features = ["tokio-comp", "connection-manager"] }
+chrono = { version = "0.4", features = ["serde"] }