Add docker/composes/itzg/docker-minecraft-server/ folder and files

docker/composes/itzg/docker-minecraft-server/docker-compose.yml

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+version: "3.8"
+
+services:
+  mc:
+    image: itzg/minecraft-server
+    environment:
+      EULA: "true"
+      VERSION: "1.20.1"
+      MOTD: "big cunningulus"
+      ICON: "https://cdn.discordapp.com/attachments/1137223133569486898/1169104795471183942/37jii0aq56p81.jpg?ex=655430b0&is=6541bbb0&hm=b33252251e05986aa995dabab1712a6f085e7eb2bac11c342db9b9f66ffa97a0&"
+      OVERRIDE_ICON: "true"
+      MODE: "survival"
+      SERVER_NAME: "hub"
+      MEMORY: "4G"
+    ports:
+      - "25565:25565"
+      - "25575:25575"
+    volumes:
+      - ./data:/data
+    stdin_open: true
+    tty: true
+    restart: unless-stopped
+    networks:
+      - my-networks
+volumes:
+  data: {}
+networks:
+  my-networks:
+    driver: bridge

docker/composes/itzg/docker-minecraft-server/runRconCli.sh

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+docker exec -i docker-minecraft-server-mc-1 rcon-cli