feat: add Docker deployment, update install script, and project configs

- Add Dockerfile and docker-compose.yml for containerized deployment
- Rewrite install.sh for Docker-based setup (multi-distro support)
- Add Go module files (go.mod, go.sum) for WGRplane backend
- Add wgrplane.service systemd unit for Go backend
- Add CI verification scripts in scripts/
- Update README.md with Docker deployment docs
- Update .gitignore for binaries and .sisyphus/

docker-compose.yml

@@ -0,0 +1,30 @@
+version: "3.8"
+services:
+  wgrplane:
+    build:
+      context: .
+      dockerfile: Dockerfile
+    ports:
+      - "10087:10087"
+    volumes:
+      - ./wgrplane-data:/var/lib/wgrplane
+      - ./wireguard-config:/etc/wireguard
+    depends_on:
+      - wireguard
+    restart: unless-stopped
+
+  wireguard:
+    image: ghcr.io/linuxserver/wireguard:latest
+    container_name: wireguard
+    cap_add:
+      - NET_ADMIN
+      - SYS_MODULE
+    network_mode: "host"
+    volumes:
+      - /etc/wireguard:/config
+      - /lib/modules:/lib/modules
+    environment:
+      - PUID=1000
+      - PGID=1000
+      - TZ=UTC
+    restart: unless-stopped