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

deploy/docker/Dockerfile.edge

@@ -0,0 +1,20 @@
+FROM rust:1.84-slim-bookworm AS builder
+
+RUN apt-get update && apt-get install -y pkg-config libssl-dev && rm -rf /var/lib/apt/lists/*
+
+WORKDIR /app
+COPY Cargo.toml Cargo.lock rustfmt.toml ./
+COPY crates/ ./crates/
+
+RUN cargo build --release --bin rampart-core && \
+    cp target/release/rampart-core /app/rampart-core && \
+    strip /app/rampart-core
+
+FROM debian:bookworm-slim
+RUN apt-get update && apt-get install -y ca-certificates && rm -rf /var/lib/apt/lists/*
+
+COPY --from=builder /app/rampart-core /usr/local/bin/rampart-core
+
+EXPOSE 25565 9090
+
+ENTRYPOINT ["rampart-core"]