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

rustfmt.toml

@@ -0,0 +1,12 @@
+max_width = 120
+tab_spaces = 4
+edition = "2024"
+newline_style = "Unix"
+hard_tabs = false
+use_small_heuristics = "Default"
+
+reorder_imports = true
+reorder_modules = true
+
+match_block_trailing_comma = true
+use_field_init_shorthand = true